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>> [MUSIC PLAYING]

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>> [Video playback]

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>> O, yalan莽谋.

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>> N蓹 -Haqq谋nda?

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>> M蓹n bilmir蓹m.

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>> Biz n蓹 bilirik -Yax艧谋?

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>> 9:15, Ray y蓹ni
Santoya ATM idi.

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-B蓹li.

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Bel蓹 ki, sual, n蓹
O 9:16 at edirdi?

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>> Bir 艧ey 9 millimetr 莽蓹kili艧l蓹ri.

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B蓹lk蓹 o snayper g枚rd眉m.

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>> -V蓹 Onunla i艧 idi.

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>> G枚zl蓹yin.

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Geri bir gedin.

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>> -N蓹 G枚r眉rs眉n眉z?

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>> Tam ekran q蓹d蓹r onun 眉z g蓹tirin.

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>> -Onun Eyn蓹k.

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>> Bir 蓹ks -Var var.

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>> -Bu Nuevitas beysbol komanda var.

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Bu onlar谋n logo var.

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>> -V蓹 O s枚hb蓹t
Kim ki, jaket qal谋c谋 oldu.

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>> [END playback]

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>> DAVID Malan: B眉t眉n h眉ququ.

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Bu CS50 v蓹 bu bir az daha
bir [I艧itilemez] olan sen

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problemi il蓹 dabbling d枚rd se莽in.

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Bu g眉n biz bir az daha baxmaq ba艧lamaq
d蓹rin g枚st蓹ricil蓹rin蓹 adl谋 bu 艧eyl蓹r,

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Bu baxmayaraq ki,
olduqca gizli m枚vzu,

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bu olacaq 莽谋x谋r ki,
vasit蓹 olmaq olan biz

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tikinti v蓹 montaj ba艧laya bil蓹rsiniz
daha 莽ox inki艧af etmi艧 proqramlar谋.

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Amma biz son 莽蓹r艧蓹nb蓹 g眉n眉 bunu
ilk bir claymation yolu il蓹.

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Bel蓹 ki, bu, geri edir
Binky v蓹 biz ondan istifad蓹

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bir proqram n蓹z蓹r ki,
h蓹qiq蓹t蓹n bir 艧ey maraql谋 etm蓹di,

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ancaq bir ne莽蓹 probleml蓹r a艧kar etdi.

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Bel蓹 ki, niy蓹 biz g蓹zm蓹k deyil, bu g眉n ba艧layacaq
tez bu add谋mlar bir ne莽蓹 il蓹,

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insan 艧蓹rtl蓹rin蓹 daxil 莽蓹km蓹k 眉莽眉n c蓹hd edin
d蓹qiq n蓹 burada olacaq

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v蓹 niy蓹 bu pis, sonra h蓹r蓹k蓹t
v蓹 h蓹qiq蓹t蓹n bir 艧ey bina ba艧lamaq

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bu texnika il蓹?

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Bel蓹 ki, bu ilk idi
Bu proqram iki x蓹tl蓹ri

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v蓹 layman nin bax谋m谋ndan, n蓹
Bu iki x蓹tl蓹ri edirs蓹n?

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茝sasl谋 rahat kims蓹
n蓹 ekranda elan edir il蓹?

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Bunu bu iki x蓹tl蓹ri hans谋lard谋r?

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Bu, b眉t眉n deyil ki,
h蓹ft蓹 bir m眉xt蓹lif,

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lakin b蓹zi yeni x眉susi simvolu var.

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Evet?

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Back var.

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>> Auditoriya: g枚st蓹ricil蓹rin蓹 elan?

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DAVID Malan: daha dem蓹k?

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Auditoriya: g枚st蓹ricil蓹rin蓹 elan?

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DAVID Malan: elan g枚st蓹ricil蓹rin蓹 v蓹
nin bir az daha safla艧d谋rmaq ed蓹k.

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Auditoriya: [i艧itilemez]
脺nvan x v蓹 sonra y.

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DAVID Malan: V蓹 sonra m眉raci蓹t.

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Bel蓹 ki, x眉susi biz i艧le
biz iki d蓹yi艧蓹nl蓹rin elan edilir.

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Bu d蓹yi艧蓹nl蓹r, baxmayaraq ki, gedir
n枚v眉 int ulduz olmaq 眉莽眉n

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daha 莽ox x眉susi dem蓹kdir
Onlar saxlamaq 眉莽眉n gedir

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bir int 眉nvan谋,
m眉vafiq olaraq, x v蓹 y.

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陌ndi h蓹r hans谋 bir d蓹y蓹rl蓹r var?

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Bu bir faktiki 眉nvanlar var
vaxt bu n枚qt蓹d蓹 iki d蓹yi艧蓹nl蓹rin?

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Yox.

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Bu, sad蓹c蓹 zibil d蓹y蓹rl蓹r bel蓹 deyirl蓹r.

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Siz, h蓹qiq蓹t蓹n, bir t蓹yin deyils蓹
RAM idi n蓹 d蓹yi艧蓹n,

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蓹vv蓹ll蓹r adet s谋f谋r il蓹 doldurmaq niyy蓹tind蓹dir
v蓹 olanlar谋 bu d蓹yi艧蓹nl蓹rin d蓹.

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Amma biz h蓹l蓹 bilmir蓹m
n蓹 onlar v蓹 ki

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niy蓹 Binky 眉莽眉n 蓹sas olacaq
Ke莽蓹n h蓹ft蓹 ba艧谋n谋 itirdi.

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>> Bel蓹 ki, bu claymation idi
bu t蓹c蓹ss眉m

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qovu艧durma臒谋m谋z yaln谋z iki d蓹yi艧蓹nl蓹r var
gild蓹n ki莽ik dair蓹vi 蓹d蓹d,

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ki d蓹yi艧蓹nl蓹rin saxlamaq, lakin bil蓹r
b眉k眉l眉 oxlar g蓹lir,

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onlar h蓹qiq蓹t蓹n i艧ar蓹 deyilik
yerd蓹 枚zl眉y眉nd蓹 tan谋n谋r.

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Bel蓹likl蓹, biz bu x蓹tti idi v蓹 bu
yadda艧 眉莽眉n idi yeni 枚t蓹n h蓹ft蓹 malloc

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yaln谋z bir x眉lya yoldur ayr谋lmas谋,
蓹m蓹liyyat sistemi deyir蓹m, Linux

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v蓹 ya Mac OS v蓹 ya Windows,
hey, M蓹n蓹 bir yadda艧 verir,

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v蓹 siz b眉t眉n dem蓹k
蓹m蓹liyyat sistemi

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yadda艧 眉莽眉n xahi艧 zaman n蓹.

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N蓹 qay臒谋 niyy蓹tind蓹 deyil
Siz bunu olacaq

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lakin 蓹m蓹liyyat dem蓹k laz谋md谋r
n蓹 malloc yolu il蓹 sistemi.

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Evet?

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>> Auditoriya: n蓹 q蓹d蓹r?

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DAVID Malan: n蓹 q蓹d蓹r?

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N蓹 q蓹d蓹r bayt, v蓹, bel蓹 ki, bu, yen蓹,
bir g枚st蓹rdi M蓹s蓹l蓹n, yaln谋z deyib

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M蓹n蓹 bir int 枚l莽眉s眉 verir.

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Bir int 陌ndi, 枚l莽眉s眉
d枚rd bytes v蓹 ya 32 bit edir.

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Bel蓹 ki, bu yaln谋z bir yoludur
dey蓹r蓹k, hey, 蓹m蓹liyyat sistemi,

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M蓹n蓹 yadda艧 d枚rd bayt verm蓹k
M蓹n s蓹r蓹ncam谋nda istifad蓹 ed蓹 bil蓹rsiniz ki,

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v蓹 x眉susi n蓹
h枚rm蓹tl蓹 malloc qaytar谋lmas谋

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D枚rd bayt ki y谋臒谋n 眉莽眉n nec蓹?

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Auditoriya: 脺nvan?

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DAVID Malan: 眉nvan.

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D枚rd bayt ki, y谋臒谋n 眉nvan谋.

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M蓹hz.

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V蓹 bel蓹 ki, n蓹tic蓹d蓹 saxlan谋l谋r n蓹 var
Biz, h蓹qiq蓹t蓹n, yoxdur, niy蓹 x v蓹 ki

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qay臒谋 n蓹 ki say谋
Bu OX1 ya OX2 olsun 眉nvan, var

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v蓹 ya b蓹zi sirli hexadecimal 眉nvan谋.

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Biz yaln谋z pictorially qay臒谋
ki, d蓹yi艧蓹n x indi ki,

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yadda艧 ki, y谋臒谋n i艧ar蓹.

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Bel蓹 ki, arrow bir g枚st蓹rici t蓹msil, v蓹 ya
daha d蓹qiq des蓹k, bir yadda艧 眉nvan谋.

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Ancaq yen蓹 d蓹, biz ad蓹t蓹n qay臒谋 yoxdur
o faktiki URL n蓹.

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陌ndi bu x蓹tt deyir
n蓹 layman nin bax谋m谋ndan?

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Star x 42 n枚qt蓹li verg眉l olur.

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Bu n蓹 dem蓹kdir?

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Siz getm蓹k ist蓹yirs蓹n?

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Boyun dan谋艧谋q yoxdur.

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>> Auditoriya: x 眉nvan谋 42 edir.

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>> DAVID Malan: x 眉nvan谋 42 edir.

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Olduqca deyil.

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Bel蓹 ki, yax谋n deyil, kifay蓹t q蓹d蓹r var, 莽眉nki
bu x prefixing ulduz.

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Bel蓹likl蓹, biz bir az 莽imdik laz谋md谋r.

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Evet?

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>> Auditoriya: d蓹y蓹r ki,
pointer x 42 i艧ar蓹 edir.

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DAVID Malan: OK.

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pointer x ki, d蓹y蓹ri
42, dey蓹k 眉莽眉n edilir i艧ar蓹 ed蓹r蓹k,

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v蓹 ya, ulduz ba艧qa bir yol qoymaq
x n蓹 眉nvana getm蓹k deyir

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Bu 1 Oxford olsun, x deyil
K眉莽蓹 v蓹 ya 33 Oxford Street

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v蓹 ya OX1 ya OX33, n蓹
, r蓹q蓹mli 眉nvan oldu臒unu

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star x x dereferencing edir.

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Bel蓹 ki, 眉nvana getm蓹k v蓹
sonra say谋 42 qoymaq.

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Bel蓹 ki, ola ki, bir
oldu臒unu s枚yl蓹y蓹n ekvivalent yol.

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Bel蓹 ki, b眉t眉n g枚z蓹l v蓹 sonra
biz 艧蓹kil t蓹msil ed蓹c蓹k

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biz a艧a臒谋dak谋 kimi 蓹lav蓹 etdik harada
D枚rd ki, y谋臒谋n 42

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, sa臒 t蓹r蓹find蓹 bayt lakin
h蓹r 艧eyi 蓹yri getdi bu x蓹tt idi

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v蓹 Binky ba艧 atd谋
Bu n枚qt蓹d蓹 off,

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pis 艧eyl蓹r zaman ba艧 莽眉nki
Siz zibil d蓹y蓹rl蓹r dereference

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etibars谋z dereference Siz v蓹 ya
g枚st蓹ricil蓹rin蓹 v蓹 m蓹n etibars谋z dem蓹k

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脟眉nki bu n枚qt蓹d蓹
hekay蓹, y daxilind蓹 n蓹dir?

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Based y d蓹y蓹ri n蓹dir
Son bir ne莽蓹 add谋mlar?

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00:05:24,440 --> 00:05:25,360
Evet?

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00:05:25,360 --> 00:05:26,115
Bu n蓹dir?

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>> Auditoriya: bir 眉nvan.

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00:05:26,990 --> 00:05:28,460
DAVID Malan: bir 眉nvan.

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Bu 眉nvan olmal谋d谋r
lakin m蓹n bunu ba艧lat谋lm谋艧 var?

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00:05:31,910 --> 00:05:32,800
Bel蓹 ki, h蓹l蓹 yoxdur.

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00:05:32,800 --> 00:05:35,430
Bel蓹 ki, orada olmaq 眉莽眉n n蓹 m蓹lumdur?

136
00:05:35,430 --> 00:05:37,590
Bu, sad蓹c蓹 b蓹zi zibil d蓹y蓹ri var.

137
00:05:37,590 --> 00:05:41,500
Bu s谋f谋rdan h蓹r hans谋 bir PO ola bil蓹r
2 milyard siz RAM iki gigs varsa,

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00:05:41,500 --> 00:05:44,289
v蓹 ya s谋f谋r 4 milyard Siz var 蓹g蓹r
RAM d枚rd gigabayt var.

139
00:05:44,289 --> 00:05:46,080
Bu, b蓹zi zibil d蓹y蓹ri var
lakin problem

140
00:05:46,080 --> 00:05:48,200
蓹m蓹liyyat sistemi ki,
Bu siz蓹 verdiyi 蓹g蓹r

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yadda艧 ki, y谋臒谋n x眉susi
Siz getm蓹k 莽al谋艧d谋臒谋n谋z ki,

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00:05:51,140 --> 00:05:54,650
眉mumiyy蓹tl蓹 n蓹 s蓹b蓹b olacaq
bir seqmentasiya g眉nah kimi g枚rd眉m.

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00:05:54,650 --> 00:05:57,810
Bel蓹 ki, 蓹slind蓹, siz h蓹r hans谋 olan
ofis saat probleml蓹ri m眉bariz蓹

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00:05:57,810 --> 00:06:00,393
v蓹 ya probleml蓹ri ki, daha 莽ox
眉mumiyy蓹tl蓹 anlamaq 眉莽眉n 莽al谋艧谋r谋q il蓹

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00:06:00,393 --> 00:06:02,150
bir seqmentasiya g眉nah,
ki, 眉mumiyy蓹tl蓹 dem蓹kdir

146
00:06:02,150 --> 00:06:05,017
Siz bir seqment toxunan edirik
Siz olmamal谋d谋r yadda艧.

147
00:06:05,017 --> 00:06:07,350
Siz yadda艧 toxunan edirik ki,
蓹m蓹liyyat sistemi deyil

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bu olsun, siz toxunmaq icaz蓹
Sizin array 莽ox ged蓹r蓹k

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v蓹 ya olub, indi ba艧lay谋r
Siz toxunan edirik, 莽眉nki bu

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00:06:12,870 --> 00:06:14,780
yaln谋z bir zibil d蓹y蓹ri yadda艧.

151
00:06:14,780 --> 00:06:18,230
>> Bel蓹 ki, burada star x bunu
undefined davran谋艧 sort.

152
00:06:18,230 --> 00:06:22,030
Siz bahis 莽眉nki he莽 vaxt
, proqram yaln谋z q蓹za olacaq ki,

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dey蓹r蓹k edirik, 莽眉nki,
bu 眉nvana getm蓹k

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v蓹 siz he莽 bir fikrim burada var
ki, 眉nvan 蓹slind蓹.

155
00:06:27,000 --> 00:06:30,300
Bel蓹 ki, 蓹m蓹liyyat sistemi 莽ox g眉man ki,
proqram q蓹za gedir

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00:06:30,300 --> 00:06:33,840
n蓹tic蓹sind蓹 h蓹qiq蓹t蓹n kimi deyil
n蓹 Binky orada oldu.

157
00:06:33,840 --> 00:06:37,210
Bel蓹 ki, son n蓹tic蓹d蓹, Binky sabit
Bu bu problem.

158
00:06:37,210 --> 00:06:38,909
Proqram 枚z眉 flawed edilib.

159
00:06:38,909 --> 00:06:41,450
Amma sort ir蓹lil蓹m蓹k 蓹g蓹r
蓹v蓹zin蓹 bu x蓹tt icra,

160
00:06:41,450 --> 00:06:45,580
y yaln谋z x b蓹rab蓹rdir dem蓹kdir n蓹
脺nvan x, h蓹m莽inin y qoyun.

161
00:06:45,580 --> 00:06:48,740
>> V蓹 bel蓹 pictorially, biz
iki oxlar谋 il蓹 bu t蓹msil

162
00:06:48,740 --> 00:06:51,570
x v蓹 y i艧ar蓹 olan
eyni yer蓹.

163
00:06:51,570 --> 00:06:55,760
Bel蓹 ki, semantically, x b蓹rab蓹rdir
y o, h蓹m d蓹, 莽眉nki

164
00:06:55,760 --> 00:07:00,300
Eyni saxlan谋lmas谋
眉nvan, bundan dolay谋, 42 i艧ar蓹

165
00:07:00,300 --> 00:07:04,910
v蓹 indi, zaman ulduz dem蓹k
y, y 眉nvana getm蓹k

166
00:07:04,910 --> 00:07:06,790
Bu maraql谋 yan t蓹siri var.

167
00:07:06,790 --> 00:07:10,320
Bel蓹 ki, y 眉nvan谋
x 脺nvan eyni 艧ey.

168
00:07:10,320 --> 00:07:15,060
Bel蓹 ki, 蓹g蓹r 眉nvana getm蓹k dem蓹k
v蓹 y 13 d蓹y蓹r d蓹yi艧dirm蓹k,

169
00:07:15,060 --> 00:07:17,140
olan ba艧qa t蓹sir edir?

170
00:07:17,140 --> 00:07:21,100
X, point D, bel蓹 ki, dan谋艧maq ki,
el蓹c蓹 d蓹 t蓹sir edilm蓹lidir.

171
00:07:21,100 --> 00:07:24,340
>> H蓹qiq蓹t蓹n, nec蓹 Nick bu 艧蓹kil 莽蓹kdi
claymation m蓹hz idi.

172
00:07:24,340 --> 00:07:28,665
Biz g枚st蓹rici edin baxmayaraq
y, biz eyni yerd蓹 sona 莽atd谋

173
00:07:28,665 --> 00:07:32,780
v蓹 biz 莽ap olsayd谋
X v蓹 ya Y-nin pointee h蓹yata,

174
00:07:32,780 --> 00:07:35,720
sonra biz 13 d蓹y蓹ri g枚rm蓹k olard谋.

175
00:07:35,720 --> 00:07:37,927
陌ndi pointee olmaq dem蓹k
video il蓹 uy臒undur.

176
00:07:37,927 --> 00:07:39,760
Programmers 眉莽眉n m蓹nim
bilik, 蓹slind蓹 he莽

177
00:07:39,760 --> 00:07:42,460
s枚z pointee dem蓹k,
gu艧蓹li edir ki,

178
00:07:42,460 --> 00:07:44,650
, lakin ard谋c谋ll谋q 眉莽眉n
video il蓹 h蓹yata

179
00:07:44,650 --> 00:07:47,520
idi ki, b眉t眉n var
ki, v蓹ziyy蓹t idi.

180
00:07:47,520 --> 00:07:54,190
Claymation Bel蓹 ki, h蓹r hans谋 bir sual谋n谋z
v蓹 ya g枚st蓹ricil蓹rin蓹 v蓹 ya malloc yaln谋z h蓹l蓹?

181
00:07:54,190 --> 00:07:54,850
Yox?

182
00:07:54,850 --> 00:07:55,470
Oldu.

183
00:07:55,470 --> 00:07:58,560
>> Bel蓹 ki, daha olmadan
ado, Bir n蓹z蓹r salaq

184
00:07:58,560 --> 00:08:00,700
Bu, h蓹qiq蓹t蓹n, var harada
bir m眉dd蓹t istifad蓹 edilmi艧dir.

185
00:08:00,700 --> 00:08:03,580
Bel蓹likl蓹, biz bu CS50 kitabxana etdik
ki, bu funksiyalar谋 b眉t眉n var.

186
00:08:03,580 --> 00:08:06,810
Biz GetInt GetString bir 莽ox istifad蓹 etdik
y蓹qin ki, 蓹vv蓹ll蓹r GetLongLong

187
00:08:06,810 --> 00:08:09,840
M蓹nim pset bir v蓹 ya bel蓹, lakin
h蓹qiq蓹t蓹n n蓹 davam edir?

188
00:08:09,840 --> 00:08:12,920
Yax艧谋, tez n蓹z蓹r salaq
bir proqramda ba艧l谋q alt谋nda ki,

189
00:08:12,920 --> 00:08:17,017
biz siz蓹 CS50 veririk ruhland谋r谋r
kitabxana, v蓹 h蓹qiq蓹t蓹n ke莽蓹n h蓹ft蓹 etibaril蓹,

190
00:08:17,017 --> 00:08:18,850
biz bu q蓹buluna ba艧lam谋艧d谋r
t蓹lim t蓹k蓹rl蓹r off.

191
00:08:18,850 --> 00:08:21,080
Bel蓹 ki, bu, indi 莽e艧idl蓹nir
bir postmortem n蓹

192
00:08:21,080 --> 00:08:23,690
var davam
CS50 kitabxana daxili,

193
00:08:23,690 --> 00:08:27,250
biz indi h蓹r蓹k蓹t ba艧layacaq olsa da
Ondan 蓹n 莽ox proqramlar谋 眉莽眉n.

194
00:08:27,250 --> 00:08:29,460
>> Bel蓹 ki, bu 0 scanf adlanan bir proqramd谋r.

195
00:08:29,460 --> 00:08:30,510
Bu super q谋sa.

196
00:08:30,510 --> 00:08:33,909
Bu, sad蓹c蓹 bu x蓹tl蓹ri var, lakin
bir funksiyas谋 adlan谋r scanf t蓹qdim

197
00:08:33,909 --> 00:08:36,909
biz, h蓹qiq蓹t蓹n, g枚rm蓹k olacaq ki,
CS50 kitabxana daxilind蓹 bir an,

198
00:08:36,909 --> 00:08:38,600
bir az f蓹rqli formada olsa.

199
00:08:38,600 --> 00:08:41,330
Line 16 Bel蓹 ki, bu proqram
bir d蓹yi艧蓹n x elan edir.

200
00:08:41,330 --> 00:08:43,150
Bel蓹 ki, m蓹n蓹 bir int 眉莽眉n d枚rd bayt verir.

201
00:08:43,150 --> 00:08:45,750
Bu istifad蓹莽i izah edilmi艧dir
say谋 edin, v蓹 sonra

202
00:08:45,750 --> 00:08:49,010
Bu maraql谋 x蓹tt ki,
h蓹qiq蓹t蓹n ke莽蓹n h蓹ft蓹 birlikd蓹 蓹laq蓹l蓹ri

203
00:08:49,010 --> 00:08:49,790
v蓹 bu.

204
00:08:49,790 --> 00:08:53,230
Scanf, v蓹 sonra bir edir bildiri艧
format string, yaln谋z printf kimi,

205
00:08:53,230 --> 00:08:57,480
% I bir int dem蓹kdir v蓹 sonra bir edir
bir az g枚r眉n眉r ikinci arqument

206
00:08:57,480 --> 00:08:58,260
funky.

207
00:08:58,260 --> 00:09:01,880
Bu i艧areti x, v蓹 geri,
biz yaln谋z bu d蓹f蓹 枚t蓹n h蓹ft蓹 g枚rd眉m.

208
00:09:01,880 --> 00:09:03,465
I艧areti x n蓹yi t蓹msil edir?

209
00:09:03,465 --> 00:09:06,210

210
00:09:06,210 --> 00:09:08,450
I艧areti C n蓹 edir?

211
00:09:08,450 --> 00:09:08,950
Evet?

212
00:09:08,950 --> 00:09:10,024
>> Auditoriya: 眉nvan谋.

213
00:09:10,024 --> 00:09:11,190
DAVID Malan: 眉nvan谋.

214
00:09:11,190 --> 00:09:13,190
Bel蓹 ki, 蓹ks edir
star operator,

215
00:09:13,190 --> 00:09:17,270
star operator deyir halbuki, getm蓹k
Bu 眉nvan, i艧areti operator

216
00:09:17,270 --> 00:09:20,280
anlamaq deyir
Bu d蓹yi艧蓹n 眉nvan,

217
00:09:20,280 --> 00:09:23,530
v蓹 bu, 莽眉nki 蓹sas
h蓹yat scanf m蓹qs蓹di

218
00:09:23,530 --> 00:09:26,320
istifad蓹莽i scan edir
klaviatura giri艧,

219
00:09:26,320 --> 00:09:29,970
n蓹 as谋l谋 olaraq o
n枚vl蓹ri v蓹 sonra istifad蓹莽i daxil oxumaq

220
00:09:29,970 --> 00:09:32,970
bir d蓹yi艧蓹n, lakin biz
Son iki h蓹ft蓹 g枚rd眉m

221
00:09:32,970 --> 00:09:36,080
ki, svop funksiyas谋 ki, biz
h蓹yata ke莽irilm蓹si 眉莽眉n 莽aba c蓹hd

222
00:09:36,080 --> 00:09:37,110
yaln谋z q谋r谋ld谋.

223
00:09:37,110 --> 00:09:42,470
Svop funksiyas谋 il蓹 Xat谋rladaq ki,
biz yaln谋z ints kimi A v蓹 B elan 蓹g蓹r,

224
00:09:42,470 --> 00:09:47,040
biz u臒urla d蓹yi艧dirm蓹k idi
svop daxilind蓹 iki d蓹yi艧蓹nl蓹rin

225
00:09:47,040 --> 00:09:50,080
yaln谋z s眉d v蓹 OJ il蓹 kimi,
lakin svop, geri q谋sa m眉dd蓹td蓹

226
00:09:50,080 --> 00:09:55,200
h枚rm蓹tl蓹 n蓹tic蓹 n蓹 oldu
x v蓹 y, orijinal d蓹y蓹rl蓹r?

227
00:09:55,200 --> 00:09:55,700
He莽 bir 艧ey.

228
00:09:55,700 --> 00:09:56,200
B蓹li.

229
00:09:56,200 --> 00:09:59,754
He莽 bir 艧ey, 莽眉nki o vaxt ba艧
svoplar谋, yaln谋z yerli n眉sx蓹 d蓹yi艧dirm蓹k

230
00:09:59,754 --> 00:10:01,670
b眉t眉n dem蓹k olan
bu d蓹f蓹, zaman biz

231
00:10:01,670 --> 00:10:04,010
d蓹lill蓹ri ke莽ir
funksiyalar谋, biz ist蓹yirik

232
00:10:04,010 --> 00:10:05,939
yaln谋z h蓹min d蓹lill蓹ri n眉sx蓹 ke莽蓹n.

233
00:10:05,939 --> 00:10:07,980
Siz il蓹 ed蓹 bil蓹rsiniz
Siz onlarla ist蓹diyiniz n蓹 olursa olsun,

234
00:10:07,980 --> 00:10:10,890
lakin onlar he莽 bir olacaq
ilkin d蓹y蓹rl蓹rini t蓹sir.

235
00:10:10,890 --> 00:10:13,650
Bel蓹 ki, bu, 蓹g蓹r problemlidir
scanf kimi bir funksiyas谋 var ist蓹yir蓹m

236
00:10:13,650 --> 00:10:17,170
h蓹yat, onun m蓹qs蓹di scan edir
klaviatura istifad蓹莽i giri艧

237
00:10:17,170 --> 00:10:22,010
v蓹 sonra, bel蓹 ki, blanklara doldurmaq
dan谋艧maq, ki, x kimi bir d蓹yi艧蓹n verm蓹k

238
00:10:22,010 --> 00:10:25,410
d蓹y蓹ri, m蓹n 蓹g蓹r 莽眉nki
yaln谋z scanf x ke莽m蓹k,

239
00:10:25,410 --> 00:10:28,790
son m蓹ntiqi hesab 蓹g蓹r
h蓹ft蓹, scanf ist蓹s蓹 n蓹 ed蓹 bil蓹r

240
00:10:28,790 --> 00:10:33,100
x sur蓹ti il蓹, lakin bilm蓹di
veririk halda daimi x d蓹yi艧蓹

241
00:10:33,100 --> 00:10:37,120
, bel蓹 dan谋艧maq, bir x蓹zin蓹 x蓹rit蓹si scanf
x spot qeyd harada vasit蓹si

242
00:10:37,120 --> 00:10:41,860
biz ki, x 眉nvan谋 ke莽m蓹k
scanf var v蓹 h蓹qiq蓹t蓹n d蓹yi艧iklik getm蓹k bil蓹r

243
00:10:41,860 --> 00:10:42,920
x d蓹y蓹ri.

244
00:10:42,920 --> 00:10:45,080
V蓹, h蓹qiq蓹t蓹n, b眉t眉n
Bu proqram ki,

245
00:10:45,080 --> 00:10:53,180
M蓹n m蓹nb蓹 scanf 0, 蓹g蓹r
5m directory, scanf 0 etm蓹k,

246
00:10:53,180 --> 00:10:57,730
dot scanf do臒ramaq say谋
50, xahi艧 edirik, 50 眉莽眉n t蓹艧蓹kk眉r edirik.

247
00:10:57,730 --> 00:11:01,020
>> Bel蓹 ki, b眉t眉n maraql谋 deyil
lakin h蓹qiq蓹t蓹n n蓹 ba艧

248
00:11:01,020 --> 00:11:04,820
tezlikl蓹 m蓹n z蓹ng kimi ki,
burada x d蓹y蓹ri scanf

249
00:11:04,820 --> 00:11:06,410
daimi d蓹yi艧ib olunur.

250
00:11:06,410 --> 00:11:08,335
陌ndi bu g枚z蓹l g枚r眉n眉r v蓹
yax艧谋, v蓹 蓹slind蓹, onu

251
00:11:08,335 --> 00:11:11,200
Biz, h蓹qiq蓹t蓹n, ehtiyac yoxdur kimi g枚r眉n眉r
B眉t眉n art谋q at CS50 kitabxana.

252
00:11:11,200 --> 00:11:13,960
M蓹s蓹l蓹n, run ed蓹k
Burada bu bir daha.

253
00:11:13,960 --> 00:11:15,750
M蓹n蓹 bir ikinci 眉莽眉n yenid蓹n ed蓹k.

254
00:11:15,750 --> 00:11:20,600
Nin bir s谋ra c蓹hd ed蓹k edin v蓹
蓹v蓹zin蓹 蓹vv蓹l 50 dey蓹r蓹k,

255
00:11:20,600 --> 00:11:22,810
Yaln谋z he莽 bir dey蓹k.

256
00:11:22,810 --> 00:11:24,000
OK, bir az q蓹rib蓹 deyil.

257
00:11:24,000 --> 00:11:25,270
OLDU.

258
00:11:25,270 --> 00:11:28,680
Burada yaln谋z bir c蓹f蓹ngiyatd谋r.

259
00:11:28,680 --> 00:11:31,170
Bel蓹 ki, g枚r眉nm眉r
s蓹hv v蓹ziyy蓹tl蓹rd蓹 idar蓹.

260
00:11:31,170 --> 00:11:33,620
Bel蓹likl蓹, biz start minimal laz谋md谋r
b蓹zi s蓹hv yoxlan谋lmas谋 蓹lav蓹

261
00:11:33,620 --> 00:11:37,460
istifad蓹莽i var ki, 蓹min etm蓹k
50 kimi faktiki say谋 tipli,

262
00:11:37,460 --> 00:11:40,720
y蓹qin yazaraq s枚zl蓹ri 莽眉nki
problemli kimi a艧kar deyil,

263
00:11:40,720 --> 00:11:42,020
lakin y蓹qin ki, olmal谋d谋r.

264
00:11:42,020 --> 00:11:46,450
>> Indi ki, bu versiyas谋 baxaq
m蓹nim c蓹hd GetString reimplement.

265
00:11:46,450 --> 00:11:48,437
Scanf b眉t眉n bu varsa
funksionall谋臒谋 in艧a

266
00:11:48,437 --> 00:11:51,270
niy蓹 biz bu il蓹 dabbling edilmi艧dir
GetString kimi t蓹lim t蓹k蓹rl蓹r?

267
00:11:51,270 --> 00:11:55,450
Yax艧谋, burada b蓹lk蓹 m蓹nim 枚z
GetString sad蓹 versiyas谋

268
00:11:55,450 --> 00:12:00,766
vasit蓹si bir h蓹ft蓹 蓹vv蓹l, dedim ola bil蓹r,
M蓹n蓹 bir string verm蓹k v蓹 bufer z蓹ng.

269
00:12:00,766 --> 00:12:03,390
Bu g眉n m蓹n yaln谋z ba艧lamaq 眉莽眉n gedir蓹m
, char ulduz, geri s枚yl蓹y蓹r蓹k

270
00:12:03,390 --> 00:12:04,400
yaln谋z sinonimi var.

271
00:12:04,400 --> 00:12:06,629
Bu scarier g枚r眉n眉r, ancaq bu
eyni 艧ey.

272
00:12:06,629 --> 00:12:09,420
Bel蓹 ki, m蓹n蓹 d蓹yi艧蓹n adl谋 bufer verm蓹k
ki, bir simli saxlamaq olacaq,

273
00:12:09,420 --> 00:12:12,780
istifad蓹莽i simli edin dey蓹
v蓹 sonra, 蓹vv蓹l kimi,

274
00:12:12,780 --> 00:12:17,760
Bu d蓹rs borc ed蓹k scanf
% S bu d蓹f蓹 v蓹 sonra bufer ke莽ir.

275
00:12:17,760 --> 00:12:19,310
陌ndi tez a臒l谋 ba艧谋nda olma 莽ek.

276
00:12:19,310 --> 00:12:22,120
Niy蓹 demir蓹m
i艧areti bu d蓹f蓹 bufer?

277
00:12:22,120 --> 00:12:25,190

278
00:12:25,190 --> 00:12:26,625
茝vv蓹lki misal n蓹tic蓹 莽谋xarmaq.

279
00:12:26,625 --> 00:12:28,000
Auditoriya: Char ulduz bir g枚st蓹ricisidir.

280
00:12:28,000 --> 00:12:29,920
DAVID Malan: M蓹hz,
bu d蓹f蓹 char, 莽眉nki

281
00:12:29,920 --> 00:12:34,080
star, art谋q bir g枚st蓹rici, bir 眉nvan谋
orada olan ulduz m眉蓹yy蓹n.

282
00:12:34,080 --> 00:12:37,530
V蓹 scanf 眉nvan g枚zl蓹yirs蓹,
yaln谋z bufer ke莽m蓹k kifay蓹tdir.

283
00:12:37,530 --> 00:12:39,260
M蓹n i艧areti bufer dem蓹k ehtiyac yoxdur.

284
00:12:39,260 --> 00:12:42,177
Maraql谋, siz ola bil蓹r
bu kimi bir 艧ey.

285
00:12:42,177 --> 00:12:43,510
Bu, m眉xt蓹lif m蓹na olard谋.

286
00:12:43,510 --> 00:12:47,240
Bu g枚st蓹rici ver蓹c蓹k
蓹slind蓹 bir g枚st蓹rici 眉莽眉n

287
00:12:47,240 --> 00:12:50,050
C, ancaq etibarl谋 艧ey
陌ndi sad蓹 saxlamaq imkan

288
00:12:50,050 --> 00:12:51,750
v蓹 ard谋c谋l hekay蓹 saxlamaq.

289
00:12:51,750 --> 00:12:54,100
M蓹n yaln谋z ke莽m蓹k gedir蓹m
bufer ki, do臒ru deyil.

290
00:12:54,100 --> 00:12:56,487
problem olsa bu.

291
00:12:56,487 --> 00:12:58,820
M蓹n蓹 davam v蓹 bu run ed蓹k
onu t蓹rtib sonra proqram谋.

292
00:12:58,820 --> 00:13:00,902
Scanf 1 olun.

293
00:13:00,902 --> 00:13:02,610
Lanet olsun, bu, m蓹nim compiler nin
M蓹nim s蓹hv tutmaq.

294
00:13:02,610 --> 00:13:04,090
M蓹n蓹 bir ikinci verin.

295
00:13:04,090 --> 00:13:05,460
Cingilti.

296
00:13:05,460 --> 00:13:06,990
Nin scanf-1.c deyirl蓹r.

297
00:13:06,990 --> 00:13:10,880

298
00:13:10,880 --> 00:13:11,380
OLDU.

299
00:13:11,380 --> 00:13:12,720
Biz orada getm蓹k.

300
00:13:12,720 --> 00:13:14,280
M蓹nim buna ehtiyac谋m var.

301
00:13:14,280 --> 00:13:16,750
CS50 ID m眉xt蓹lif var
konfiqurasiya parametrl蓹ri

302
00:13:16,750 --> 00:13:18,280
ki, 枚z眉n眉z qar艧谋 qoruyur.

303
00:13:18,280 --> 00:13:21,300
M蓹n h蓹min aradan laz谋m
枚z眉n眉z bu d蓹f蓹 cingilti 莽al谋艧谋r.

304
00:13:21,300 --> 00:13:22,140
Bel蓹 ki, simli edin.

305
00:13:22,140 --> 00:13:25,560
M蓹n ir蓹li getm蓹k v蓹 yaz谋n gedir蓹m
m蓹nim sevimli salam d眉nyada.

306
00:13:25,560 --> 00:13:26,490
Null, OK.

307
00:13:26,490 --> 00:13:27,700
M蓹n tipli n蓹 deyil.

308
00:13:27,700 --> 00:13:29,690
Bel蓹 ki, g枚st蓹ricisi var
bir 艧ey yanl谋艧 olan.

309
00:13:29,690 --> 00:13:33,920
M蓹n蓹 davam v蓹 yaz谋n imkan
bir h蓹qiq蓹t蓹n uzun simli.

310
00:13:33,920 --> 00:13:37,210
Null 眉莽眉n t蓹艧蓹kk眉r edirik v蓹 m蓹n bilmir蓹m
蓹g蓹r m蓹n onu q蓹za etm蓹k gedir蓹m.

311
00:13:37,210 --> 00:13:40,240
Bir az sur蓹ti c蓹hd ed蓹k
yap谋艧d谋r谋b v蓹 bu k枚m蓹k oldu.

312
00:13:40,240 --> 00:13:43,290
M蓹hz bu bir 莽ox yap谋艧d谋r谋b.

313
00:13:43,290 --> 00:13:47,310
Bu, m眉tl蓹q bir b枚y眉kd眉r
adi daha string.

314
00:13:47,310 --> 00:13:51,450
Yaln谋z h蓹qiq蓹t蓹n yazmaq ed蓹k.

315
00:13:51,450 --> 00:13:51,950
Yox.

316
00:13:51,950 --> 00:13:52,650
L蓹n蓹t olsun.

317
00:13:52,650 --> 00:13:53,480
Command tap谋lmad谋.

318
00:13:53,480 --> 00:13:54,550
Bel蓹 ki, olmayan var.

319
00:13:54,550 --> 00:13:56,440
M蓹n yap谋艧d谋r谋l谋r ki, var
b蓹zi pis simvol,

320
00:13:56,440 --> 00:13:59,780
lakin bu 莽谋x谋r i艧l蓹m蓹k niyy蓹tind蓹 deyil.

321
00:13:59,780 --> 00:14:03,510
>> , 脟眉nki bu bir daha c蓹hd ed蓹k
biz, h蓹qiq蓹t蓹n, q蓹za 蓹g蓹r daha 莽ox 蓹yl蓹nc蓹 var.

322
00:14:03,510 --> 00:14:09,116
Bu yaz谋n ed蓹k v蓹 indi, m蓹n
h蓹qiq蓹t蓹n uzun simli sur蓹ti gedir

323
00:14:09,116 --> 00:14:10,990
v蓹 indi 蓹g蓹r g枚r蓹k biz
bu 艧ey q蓹za bil蓹r.

324
00:14:10,990 --> 00:14:14,235
M蓹n bo艧luq 莽谋xar谋lm谋艧d谋r v蓹 bildiri艧
yeni x蓹tl蓹ri v蓹 semicolons

325
00:14:14,235 --> 00:14:16,035
b眉t眉n funky simvol.

326
00:14:16,035 --> 00:14:16,535
Daxil edin.

327
00:14:16,535 --> 00:14:21,090

328
00:14:21,090 --> 00:14:22,880
陌ndi 艧蓹b蓹k蓹 yaln谋z yava艧 olan oldu.

329
00:14:22,880 --> 00:14:27,460
M蓹n ayd谋n 莽ox uzun Command-V a艧a臒谋 ke莽irilib.

330
00:14:27,460 --> 00:14:28,190
L蓹n蓹t olsun!

331
00:14:28,190 --> 00:14:29,260
Command tap谋lmad谋.

332
00:14:29,260 --> 00:14:29,780
>> OLDU.

333
00:14:29,780 --> 00:14:32,240
Yax艧谋, n枚qt蓹
yen蓹 a艧a臒谋dak谋.

334
00:14:32,240 --> 00:14:36,910
Bel蓹 ki, h蓹qiq蓹t蓹n gedir n蓹
Bu b蓹yannam蓹 il蓹

335
00:14:36,910 --> 00:14:39,240
line 16 char ulduz bufer?

336
00:14:39,240 --> 00:14:41,820
Bel蓹 ki, 蓹ld蓹 n蓹 am
M蓹n bir pointer elan zaman?

337
00:14:41,820 --> 00:14:47,440
Al谋ram b眉t眉n d枚rd byte d蓹y蓹ri
bufer adlan谋r, lakin onun daxilind蓹 n蓹 var

338
00:14:47,440 --> 00:14:49,540
Hal-haz谋rda?

339
00:14:49,540 --> 00:14:50,930
Bu, sad蓹c蓹 b蓹zi zibil d蓹y蓹ri var.

340
00:14:50,930 --> 00:14:54,170
H蓹r hans谋 bir zamanda, 莽眉nki bir d蓹yi艧蓹n elan
C, yaln谋z b蓹zi zibil d蓹y蓹ri var,

341
00:14:54,170 --> 00:14:56,220
v蓹 biz ba艧lan臒谋c edirik
Bu reall谋q 眉z蓹rind蓹 s蓹f蓹r.

342
00:14:56,220 --> 00:14:59,720
陌ndi scanf dem蓹k zaman,
bu 眉nvana getm蓹k

343
00:14:59,720 --> 00:15:01,520
v蓹 n蓹 istifad蓹莽i n枚vl蓹ri qoydu.

344
00:15:01,520 --> 00:15:06,400
Istifad蓹莽i n枚vl蓹ri 蓹g蓹r salam
d眉nya, yax艧谋, m蓹n harada qoymaq bil蓹r蓹m?

345
00:15:06,400 --> 00:15:07,750
Buffer bir zibil d蓹y蓹ri.

346
00:15:07,750 --> 00:15:11,510
>> Bel蓹 ki, ox kimi n枚v var
ki, harada bilir i艧ar蓹 edir.

347
00:15:11,510 --> 00:15:13,880
B蓹lk蓹 i艧ar蓹
burada m蓹nim yadda艧.

348
00:15:13,880 --> 00:15:16,560
V蓹 bel蓹 zaman istifad蓹莽i
salam d眉nyada n枚vl蓹ri,

349
00:15:16,560 --> 00:15:22,380
Proqram 莽al谋艧谋r
string salam d眉nya backslash 0

350
00:15:22,380 --> 00:15:23,910
yadda艧 ki, y谋臒谋n.

351
00:15:23,910 --> 00:15:27,070
Lakin y眉ks蓹k ehtimal谋 il蓹, lakin
ayd谋n deyil 100% ehtimal谋,

352
00:15:27,070 --> 00:15:30,440
Komp眉ter sonra q蓹za gedir
proqram谋 bu deyil, 莽眉nki

353
00:15:30,440 --> 00:15:32,490
yadda艧 I toxunmaq icaz蓹 verilm蓹lidir.

354
00:15:32,490 --> 00:15:36,330
Bel蓹 ki, q谋sa, bu proqram
m蓹hz s蓹b蓹bd蓹n q眉surlu.

355
00:15:36,330 --> 00:15:38,070
M蓹n 蓹sasl谋 n蓹 deyil蓹m?

356
00:15:38,070 --> 00:15:42,366
Hans谋 add谋mlar谋 M蓹n yaln谋z kimi, 莽谋xar谋lm谋艧d谋r var
biz Binky nin ilk n眉mun蓹si il蓹 莽谋xar谋lm谋艧d谋r?

357
00:15:42,366 --> 00:15:42,866
Evet?

358
00:15:42,866 --> 00:15:43,710
>> Auditoriya: Yadda艧 ayr谋lmas谋?

359
00:15:43,710 --> 00:15:45,001
>> DAVID Malan: Yadda艧 ayr谋lmas谋.

360
00:15:45,001 --> 00:15:48,400
M蓹n, h蓹qiq蓹t蓹n, ayr谋lan deyil
ki, simli 眉莽眉n h蓹r hans谋 bir yadda艧.

361
00:15:48,400 --> 00:15:50,270
Bel蓹likl蓹, biz yollar谋 bir ne莽蓹 bu d眉zeltebilirsiniz.

362
00:15:50,270 --> 00:15:52,700
Bir, biz sad蓹 saxlamaq bil蓹r
v蓹 蓹slind蓹, indi ist蓹yirik

363
00:15:52,700 --> 00:15:55,116
bir blurring g枚rm蓹k 眉莽眉n ba艧lamaq niyy蓹tind蓹dir
n蓹 aras谋nda x蓹tl蓹ri

364
00:15:55,116 --> 00:15:58,520
bir s谋ra, bir string n蓹, n蓹 var
char ulduz chars n蓹 bir s谋ra edir

365
00:15:58,520 --> 00:15:59,020
edir.

366
00:15:59,020 --> 00:16:02,450
Burada ikinci bir misal var
strings v蓹 bildiri艧 c蓹lb

367
00:16:02,450 --> 00:16:05,690
b眉t眉n M蓹n line etdik
16 蓹v蓹zin蓹 s枚yl蓹y蓹r蓹k edir

368
00:16:05,690 --> 00:16:09,530
ki, bufer bir char olacaq
star, yadda艧 y谋臒谋n bir g枚st蓹rici,

369
00:16:09,530 --> 00:16:14,057
M蓹n 莽ox f蓹al verm蓹k gedir蓹m
16 simvol 眉莽眉n 枚z眉m眉 bir bufer,

370
00:16:14,057 --> 00:16:16,390
v蓹 蓹slind蓹, tan谋艧 de臒ilseniz
m眉dd蓹tli Buffering il蓹,

371
00:16:16,390 --> 00:16:20,570
y蓹qin ki, video d眉nyan谋n,
bir video buffering, buffering oldu臒u,

372
00:16:20,570 --> 00:16:21,175
buffering.

373
00:16:21,175 --> 00:16:22,550
Yax艧谋, 蓹laq蓹si burada n蓹 var?

374
00:16:22,550 --> 00:16:24,960
YouTube Yax艧谋, Inside
v蓹 video oyun莽ular谋n daxili

375
00:16:24,960 --> 00:16:27,200
眉mumiyy蓹tl蓹 bir s谋ra edir
16-d蓹n 莽ox b枚y眉kd眉r.

376
00:16:27,200 --> 00:16:30,340
Bu 枚l莽眉s眉 bir bir s谋ra ola bil蓹r
MB, b蓹lk蓹 10 megabayt,

377
00:16:30,340 --> 00:16:34,330
ki, array daxil brauzerinizin yoxdur
, bayt b眉t眉n d蓹st蓹 download

378
00:16:34,330 --> 00:16:37,500
megabayt b眉t眉n d蓹st蓹
video, v蓹 video player,

379
00:16:37,500 --> 00:16:40,930
YouTube v蓹 ya kim var, ba艧lay谋r
ki array bayt oxu,

380
00:16:40,930 --> 00:16:43,530
v蓹 h蓹r zaman g枚rm蓹k
s枚z buffering, buffering,

381
00:16:43,530 --> 00:16:46,350
oyun莽u var dem蓹kdir
ki, serial谋n sonunda kazan谋lm谋艧.

382
00:16:46,350 --> 00:16:50,430
艧蓹b蓹k蓹 deyil ki, bel蓹 yava艧
daha bayt il蓹 array art谋r谋ld谋臒谋

383
00:16:50,430 --> 00:16:55,610
v蓹 siz bit bitti
istifad蓹莽i ke莽irm蓹k 眉莽眉n.

384
00:16:55,610 --> 00:16:59,430
>> Bel蓹 ki, bufer bir apt m眉dd蓹tli ki, burada
yaln谋z bir s谋ra, yadda艧 y谋臒谋n var.

385
00:16:59,430 --> 00:17:02,530
V蓹 bu d眉zeltmek ed蓹c蓹k
bu 莽谋x谋r, 莽眉nki

386
00:17:02,530 --> 00:17:07,410
seriallar谋n m眉alic蓹 ed蓹 bil蓹r ki, sanki
h蓹tta bufer baxmayaraq, 眉nvanlar谋

387
00:17:07,410 --> 00:17:10,710
yaln谋z bir simvolu, bir var edir
simvol ard谋c谋ll谋qla, bufer,

388
00:17:10,710 --> 00:17:14,760
m蓹nim 眉莽眉n faydal谋d谋r, proqram莽谋,
茝g蓹r 蓹traf谋nda onun ad谋 ke莽蓹 bil蓹r

389
00:17:14,760 --> 00:17:17,079
Bu sanki bir
pointer, kimi olsa

390
00:17:17,079 --> 00:17:21,000
bir y谋臒谋n 眉nvan谋 idi
16 chars 眉莽眉n yadda艧.

391
00:17:21,000 --> 00:17:24,530
Ki, bel蓹 ki, m蓹n ke莽蓹 bil蓹r
tam scanf s枚z

392
00:17:24,530 --> 00:17:30,670
v蓹 indi, m蓹n bu proqram etm蓹k,
scanf 2 etm蓹k, dot 莽izgi scanf 2,

393
00:17:30,670 --> 00:17:35,386
v蓹 yaz谋n salam d眉nya,
Ki, s媒rada daxil edin

394
00:17:35,386 --> 00:17:37,590
>> Hmm, n蓹 oldu?

395
00:17:37,590 --> 00:17:39,340
String edin.

396
00:17:39,340 --> 00:17:41,430
M蓹n yanl谋艧 n蓹 idi?

397
00:17:41,430 --> 00:17:43,800
Salam d眉nya, bufer.

398
00:17:43,800 --> 00:17:44,705
Salam D眉nya.

399
00:17:44,705 --> 00:17:48,201

400
00:17:48,201 --> 00:17:49,420
Ah, m蓹n bunu n蓹 bilirik.

401
00:17:49,420 --> 00:17:49,920
OLDU.

402
00:17:49,920 --> 00:17:51,628
Bel蓹 ki, bu q蓹d蓹r oxu
ilk kosmik q蓹d蓹r.

403
00:17:51,628 --> 00:17:55,680
Bel蓹 ki, yaln谋z bir an f谋r谋ldaq莽谋 imkan v蓹
M蓹n yaln谋z bir 艧ey yaz谋n ist蓹diyini deyirl蓹r

404
00:17:55,680 --> 00:18:01,408
h蓹qiq蓹t蓹n uzun bu uzun c眉ml蓹 kimi
ki, bir, iki, 眉莽, d枚rd, be艧,

405
00:18:01,408 --> 00:18:04,420
alt谋, yeddi, s蓹kkiz, doqquz,
10, 11, 12, 13, 14, 15, 16.

406
00:18:04,420 --> 00:18:05,300
OLDU.

407
00:18:05,300 --> 00:18:07,600
Bu, h蓹qiq蓹t蓹n uzun c眉ml蓹.

408
00:18:07,600 --> 00:18:10,710
Bel蓹 ki, bu c眉ml蓹
art谋q 16 simvol

409
00:18:10,710 --> 00:18:13,670
v蓹 m蓹n daxil edin hit zaman
n蓹 ba艧 ver蓹c蓹k?

410
00:18:13,670 --> 00:18:16,940
Yax艧谋, bu halda
hekay蓹, m蓹n elan etdi bufer

411
00:18:16,940 --> 00:18:22,190
h蓹qiq蓹t蓹n bir s谋ra olan
getm蓹k 眉莽眉n 16 chars haz谋r.

412
00:18:22,190 --> 00:18:27,426
Bel蓹 bir, iki, 眉莽, d枚rd, be艧, alt谋,
yeddi, s蓹kkiz, doqquz, 10, 11, 12, 13, 14,

413
00:18:27,426 --> 00:18:29,440
15, 16.

414
00:18:29,440 --> 00:18:34,410
Bel蓹 ki, 16 simvol v蓹 indi m蓹n
Bu uzun kimi bir 艧ey oxumaq

415
00:18:34,410 --> 00:18:43,950
c眉ml蓹, n蓹 etm蓹k olacaq
M蓹n bu oxumaq gedir蓹m ki, uzun

416
00:18:43,950 --> 00:18:49,660
S-E-N-T-E-N-C-E, c眉ml蓹.

417
00:18:49,660 --> 00:18:52,270
>> Bel蓹 ki, bu q蓹sd蓹n deyil
pis bir 艧ey ki, m蓹n

418
00:18:52,270 --> 00:18:55,060
k蓹narda yaz谋l谋 saxlamaq
M蓹nim serial谋n s蓹rh蓹dl蓹ri,

419
00:18:55,060 --> 00:18:56,660
M蓹nim bufer h眉dudlar谋ndan k蓹narda.

420
00:18:56,660 --> 00:19:00,100
M蓹n xo艧b蓹xt v蓹 proqram ala bil蓹r
qay臒谋 莽al谋艧an saxlamaq v蓹 deyil,

421
00:19:00,100 --> 00:19:03,450
lakin 眉mumiyy蓹tl蓹, bu dan谋艧an
H蓹qiq蓹t蓹n m蓹nim proqram q蓹za ed蓹c蓹k,

422
00:19:03,450 --> 00:19:06,440
v蓹 bir s蓹hv m蓹nim
M蓹n add谋m an kod

423
00:19:06,440 --> 00:19:08,576
h眉dudlar谋ndan k蓹narda
ki, serial谋n, 莽眉nki

424
00:19:08,576 --> 00:19:10,450
bu 蓹g蓹r bilmir蓹m
m眉tl蓹q q蓹za gedir

425
00:19:10,450 --> 00:19:12,120
v蓹 ya yaln谋z 艧ansl谋 almaq 眉莽眉n gedir蓹m 蓹g蓹r.

426
00:19:12,120 --> 00:19:15,750
Bel蓹 ki, bu problemlidir, 莽眉nki
Bu halda, bu i艧 g枚r眉n眉r etmir

427
00:19:15,750 --> 00:19:20,931
v蓹 h蓹tta baxmayaraq ki, burada taleyi aldatmaq imkan
IDE bir q蓹d蓹r d枚zm蓹k g枚r眉n眉r

428
00:19:20,931 --> 00:19:21,430
of--

429
00:19:21,430 --> 00:19:22,040
>> Biz orada getm蓹k.

430
00:19:22,040 --> 00:19:23,240
N蓹hay蓹t.

431
00:19:23,240 --> 00:19:26,470
M蓹n bu ed蓹 bil蓹rsiniz yaln谋z bir deyil蓹m.

432
00:19:26,470 --> 00:19:29,630
M蓹n yaln谋z 蓹yl蓹nc蓹 yazaraq bir 莽ox idi
h蓹qiq蓹t蓹n uzun faktiki s枚z h蓹yata

433
00:19:29,630 --> 00:19:32,800
蓹lb蓹tt蓹 枚t眉b ki,
16 bytes, 莽眉nki

434
00:19:32,800 --> 00:19:38,050
Bu crazy uzun multi-line tipli
s枚z, sonra n蓹 g枚r眉rs眉n眉z.

435
00:19:38,050 --> 00:19:41,110
proqram 莽ap c蓹hd
v蓹 sonra bir seqmentasiya g眉nah var

436
00:19:41,110 --> 00:19:44,430
v蓹 seqmentl蓹艧dirm蓹 莽at谋艧mazl谋qlar zaman
bu kimi bir 艧ey olur

437
00:19:44,430 --> 00:19:47,650
v蓹 蓹m蓹liyyat sistemi deyir
he莽 bir ki, yadda艧 toxuna bilm蓹z.

438
00:19:47,650 --> 00:19:49,570
Biz 枚ld眉rm蓹k olacaq
c蓹mi proqram谋.

439
00:19:49,570 --> 00:19:51,180
>> Bel蓹 ki, bu problemli g枚r眉n眉r.

440
00:19:51,180 --> 00:19:54,540
M蓹n proqram vasit蓹si t蓹kmill蓹艧dirilmi艧 etdik
蓹n az谋, b蓹zi yadda艧

441
00:19:54,540 --> 00:19:58,000
lakin bu m蓹hdudla艧d谋rmaq g枚r眉n眉r
蓹ld蓹 funksiyas谋 GetString

442
00:19:58,000 --> 00:20:00,780
b蓹zi m蓹hdud uzunlu臒u 16 strings.

443
00:20:00,780 --> 00:20:04,200
Art谋q d蓹st蓹k ist蓹yirsinizs蓹 Bel蓹 ki,
16 simvol c眉ml蓹l蓹r,

444
00:20:04,200 --> 00:20:04,880
S蓹n n蓹 edirs蓹n?

445
00:20:04,880 --> 00:20:07,970
Yax艧谋, siz art谋ra bil蓹r
32 bu bufer 枚l莽眉s眉

446
00:20:07,970 --> 00:20:09,190
v蓹 ya bu c眉r q谋sa g枚r眉n眉r.

447
00:20:09,190 --> 00:20:12,260
Niy蓹 biz yaln谋z yoxdur
1000 lakin geri it蓹l蓹m蓹k.

448
00:20:12,260 --> 00:20:17,100
Daxil蓹n cavab n蓹dir
yaln谋z ed蓹r蓹k bu problemi aradan qald谋r谋lmas谋

449
00:20:17,100 --> 00:20:20,660
1000 chars kimi, b枚y眉k m蓹nim bufer?

450
00:20:20,660 --> 00:20:23,470
Bu 艧蓹kild蓹 GetString h蓹yata ke莽irm蓹kl蓹.

451
00:20:23,470 --> 00:20:27,130
Burada yax艧谋 v蓹 ya pis?

452
00:20:27,130 --> 00:20:28,033
Evet?

453
00:20:28,033 --> 00:20:30,574
Auditoriya: siz bir 莽ox m蓹cburidir varsa
yer v蓹 siz onu istifad蓹 etm蓹yin,

454
00:20:30,574 --> 00:20:33,500
sonra siz ki, yer t蓹krar b枚l眉艧d眉r蓹 bilm蓹z.

455
00:20:33,500 --> 00:20:34,500
DAVID Malan: Absolutely.

456
00:20:34,500 --> 00:20:38,480
Siz deyil insofar kimi bu israf莽谋 var
h蓹qiq蓹t蓹n o bayt 900 laz谋md谋r

457
00:20:38,480 --> 00:20:41,057
v蓹 h蓹l蓹 眉莽眉n xahi艧 edirik
H蓹r halda c蓹mi 1000,

458
00:20:41,057 --> 00:20:44,140
Siz yaln谋z daha 莽ox yadda艧 istehlak edirik
siz蓹 laz谋m 莽ox istifad蓹莽i komp眉ter,

459
00:20:44,140 --> 00:20:45,740
v蓹 b眉t眉n bir sonra
茝g蓹r siz art谋q kar艧谋la艧t谋ysan谋z

460
00:20:45,740 --> 00:20:47,620
h蓹yat siz蓹 etdiyiniz zaman ki,
proqramlar谋 莽ox 莽al谋艧an

461
00:20:47,620 --> 00:20:50,470
v蓹 onlar yadda艧 莽ox q蓹d蓹r yem蓹k edirik
Bu, h蓹qiq蓹t蓹n, performans t蓹sir ed蓹 bil蓹r

462
00:20:50,470 --> 00:20:52,220
v蓹 istifad蓹莽i t蓹cr眉b蓹si
komp眉ter.

463
00:20:52,220 --> 00:20:56,090
Bel蓹 ki, bel蓹 bir t蓹nb蓹l h蓹ll,
蓹min 眉莽眉n, v蓹 蓹ksin蓹,

464
00:20:56,090 --> 00:21:00,140
Bu yaln谋z israf莽谋 var, n蓹 problem
h蓹l蓹 m蓹n bufer etm蓹k olsa da, qal谋r

465
00:21:00,140 --> 00:21:02,100
1000?

466
00:21:02,100 --> 00:21:02,600
Evet?

467
00:21:02,600 --> 00:21:04,475
>> Auditoriya: simli uzunlu臒u 1,001 edir.

468
00:21:04,475 --> 00:21:05,350
DAVID Malan: M蓹hz.

469
00:21:05,350 --> 00:21:08,280
Sizin string uzunlu臒u 1,001 varsa,
Siz eyni problem var,

470
00:21:08,280 --> 00:21:10,705
v蓹 d蓹lil il蓹, m蓹n
yaln谋z o 2000 etm蓹k

471
00:21:10,705 --> 00:21:12,830
ancaq bilmir蓹m
bu olmal谋d谋r nec蓹 b枚y眉k inki艧af,

472
00:21:12,830 --> 00:21:16,890
v蓹 h蓹l蓹, m蓹n proqram t蓹rtib etm蓹k laz谋md谋r
insanlar istifad蓹 imkan 蓹vv蓹l v蓹 download

473
00:21:16,890 --> 00:21:17,390
Bu.

474
00:21:17,390 --> 00:21:21,490
Bel蓹 ki, bu tam n枚v眉d眉r
stuff CS50 kitabxana 莽al谋艧谋r ki,

475
00:21:21,490 --> 00:21:24,750
il蓹 biz蓹 k枚m蓹k v蓹 biz yaln谋z n蓹z蓹r laz谋md谋r 眉莽眉n
蓹sas h蓹yata b蓹zi

476
00:21:24,750 --> 00:21:29,790
Burada, lakin bu CS50 dot C. Bu
CS50 IDE olmu艧dur ki, fayl

477
00:21:29,790 --> 00:21:31,420
Siz istifad蓹 etdiyiniz b眉t眉n bu h蓹ft蓹.

478
00:21:31,420 --> 00:21:34,280
Bu pre-t蓹rtib v蓹 siz var
avtomatik olaraq istifad蓹 edilmi艧dir

479
00:21:34,280 --> 00:21:38,780
olan t蓹bi蓹t
cingilti il蓹 L CS50 bayra臒谋 dash,

480
00:21:38,780 --> 00:21:42,300
amma b眉t眉n vasit蓹sil蓹 a艧a臒谋 diyirl蓹yin 蓹g蓹r
bu funksiyalar谋, burada GetString var,

481
00:21:42,300 --> 00:21:44,636
v蓹 yaln谋z bir verm蓹k
n蓹 dad谋 olur

482
00:21:44,636 --> 00:21:46,760
nin bir s眉r蓹tli n蓹z蓹r salaq
nisbi m眉r蓹kk蓹bliyi.

483
00:21:46,760 --> 00:21:48,870
Bu super uzun
funksiyas谋, lakin biz olmad谋

484
00:21:48,870 --> 00:21:52,530
b眉t眉n a臒谋r d眉艧眉nm蓹k laz谋md谋r
nec蓹 strings al谋nmas谋 haqq谋nda getm蓹k 眉莽眉n.

485
00:21:52,530 --> 00:21:55,660
>> Bel蓹 ki, burada m蓹nim bufer v蓹 m蓹n var
y蓹qin null onu ba艧lamaq.

486
00:21:55,660 --> 00:21:57,990
Bu, 蓹lb蓹tt蓹,
char ulduz kimi eyni 艧ey,

487
00:21:57,990 --> 00:22:00,585
amma q蓹rar
CS50 kitabxana h蓹yata

488
00:22:00,585 --> 00:22:02,460
biz olacaq 蓹g蓹r ki,
tamamil蓹 dinamik

489
00:22:02,460 --> 00:22:05,770
M蓹n nec蓹 b枚y眉k 蓹vv蓹lc蓹d蓹n bilmir蓹m
string users almaq ist蓹yir蓹m edir.

490
00:22:05,770 --> 00:22:08,140
Bel蓹 ki, ba艧lamaq 眉莽眉n gedir蓹m
yaln谋z bir bo艧 simli il蓹

491
00:22:08,140 --> 00:22:11,507
v蓹 m蓹n daha 莽ox yaratmaq 眉莽眉n gedir蓹m
Yadda艧 M蓹n istifad蓹莽i simli uy臒un laz谋md谋r

492
00:22:11,507 --> 00:22:13,340
M蓹n yoxsa
kifay蓹t q蓹d蓹r, m蓹n xahi艧 gidiyorum

493
00:22:13,340 --> 00:22:15,010
daha 莽ox yadda艧 眉莽眉n 蓹m蓹liyyat sistemi.

494
00:22:15,010 --> 00:22:17,510
M蓹n onlar谋n simli h蓹r蓹k蓹t gedir蓹m
yadda艧 b枚y眉k bir y谋臒谋n daxil

495
00:22:17,510 --> 00:22:21,847
v蓹 m蓹n azad v蓹 ya azad gedir蓹m
yadda艧 kifay蓹t q蓹d蓹r b枚y眉k bir y谋臒谋n

496
00:22:21,847 --> 00:22:23,680
v蓹 biz yaln谋z olacaq
iteratively bunu.

497
00:22:23,680 --> 00:22:25,570
>> Bel蓹 ki, bir S枚yle,
Burada yaln谋z bir d蓹yi艧蓹n var

498
00:22:25,570 --> 00:22:28,780
olan I takip gedir蓹m
M蓹nim bufer tutumu.

499
00:22:28,780 --> 00:22:30,071
Ne莽蓹 bytes uy臒un?

500
00:22:30,071 --> 00:22:32,070
Burada d蓹yi艧蓹n n il蓹 var
M蓹n saxlamaq 眉莽眉n gedir蓹m olan

501
00:22:32,070 --> 00:22:36,200
h蓹qiq蓹t蓹n ne莽蓹 bayt track
istifad蓹莽i 莽ap v蓹 ya ki, bufer.

502
00:22:36,200 --> 00:22:39,900
Siz 蓹vv蓹l bu g枚rm蓹dim varsa, siz
daxil ed蓹 bil蓹rsiniz ki, bir int kimi bir d蓹yi艧蓹n

503
00:22:39,900 --> 00:22:46,370
, ad谋 t蓹klif kimi olan, imzas谋z edir
dem蓹kdir qeyri-m蓹nfi, v蓹 niy蓹

504
00:22:46,370 --> 00:22:50,590
M蓹n he莽 ifad蓹 narahat ist蓹yir蓹m
bir int yaln谋z bir int deyil ki,

505
00:22:50,590 --> 00:22:52,540
lakin bir imzas谋z int var?

506
00:22:52,540 --> 00:22:55,064
Bu qeyri-m蓹nfi int var.

507
00:22:55,064 --> 00:22:56,355
[I艧itilemez] n蓹 dem蓹kdir?

508
00:22:56,355 --> 00:22:58,910
>> Auditoriya: Bu m蓹bl蓹臒 izah edir
yadda艧 [I艧itilemez] ola bil蓹r.

509
00:22:58,910 --> 00:22:59,660
>> DAVID Malan: B蓹li.

510
00:22:59,660 --> 00:23:03,710
M蓹n imzas谋z dem蓹k Bel蓹 ki, bu 蓹slind蓹
蓹lav蓹 yadda艧 bir az verilm蓹si

511
00:23:03,710 --> 00:23:07,440
蓹g蓹r v蓹 silly c眉r g枚r眉n眉r, lakin
, 蓹lav蓹 yadda艧 bir az var

512
00:23:07,440 --> 00:23:09,940
bir 莽ox kimi iki d蓹f蓹 var dem蓹kdir
Siz t蓹msil ed蓹 bil蓹r d蓹y蓹rl蓹ri,

513
00:23:09,940 --> 00:23:11,570
bir 0 v蓹 ya 1 ola bil蓹r, 莽眉nki.

514
00:23:11,570 --> 00:23:14,660
Bel蓹 ki, ismar谋clar谋, bir int t蓹xmin蓹n ola bil蓹r
m蓹nfi 2 milyard b眉t眉n yolu

515
00:23:14,660 --> 00:23:16,030
m眉sb蓹t 2 milyard q蓹d蓹r.

516
00:23:16,030 --> 00:23:18,540
Bu b枚y眉k silsil蓹l蓹ri, lakin
h蓹l蓹 d蓹 c眉r israf莽谋 var

517
00:23:18,540 --> 00:23:21,280
Yaln谋z qay臒谋 蓹g蓹r
枚l莽眉l蓹ri olan yaln谋z daxil蓹n

518
00:23:21,280 --> 00:23:24,620
m蓹nfi olmayan olmal谋d谋r v蓹 ya
m眉sb蓹t v蓹 ya 0, yax艧谋, sonra,

519
00:23:24,620 --> 00:23:28,884
niy蓹 2 milyard israf edilir
m蓹nfi n枚mr蓹l蓹ri 眉莽眉n m眉mk眉n d蓹y蓹rl蓹r

520
00:23:28,884 --> 00:23:30,300
he莽 vaxt onlara istifad蓹 etm蓹k olacaq 蓹g蓹r?

521
00:23:30,300 --> 00:23:35,350
Bel蓹 bil蓹rsiniz imzas谋z, indi m蓹nim int dey蓹r蓹k
4 milyard 0 aras谋nda t蓹xmin蓹n olun.

522
00:23:35,350 --> 00:23:39,280
>> Bel蓹 ki, burada s蓹b蓹bl蓹rd蓹n yaln谋z bir int C var
biz yaln谋z indi daxil deyil

523
00:23:39,280 --> 00:23:42,280
Bu 蓹v蓹zin蓹 int n蓹 眉莽眉n
bir char, lakin burada

524
00:23:42,280 --> 00:23:44,630
neler mahiyy蓹t
Siz v蓹 b蓹zi

525
00:23:44,630 --> 00:23:48,340
m蓹s蓹l蓹n, istifad蓹 edil蓹 bil蓹r,
h蓹tta pset d枚rd fgetc funksiyas谋

526
00:23:48,340 --> 00:23:51,580
v蓹 ya sonra, biz bunu g枚r蓹c蓹yik
yenid蓹n problem be艧, m眉蓹yy蓹n

527
00:23:51,580 --> 00:23:55,410
fgetc 莽眉nki ad谋 kimi g枚z蓹l
n枚v, sort arcanely t蓹klif

528
00:23:55,410 --> 00:23:57,940
bu bir funksiyas谋 var ki,
Bir xarakter al谋r v蓹 bel蓹

529
00:23:57,940 --> 00:24:00,690
n蓹 蓹sasl谋 m眉xt蓹lif
biz GetString i艧le haqq谋nda

530
00:24:00,690 --> 00:24:03,110
biz istifad蓹 etdiyiniz deyil
eyni 艧蓹kild蓹 scanf.

531
00:24:03,110 --> 00:24:07,550
Biz yaln谋z add谋m-add谋m boyunca s眉r眉n蓹n olunur
n蓹 眉z蓹rind蓹 istifad蓹莽i tipli,

532
00:24:07,550 --> 00:24:10,970
biz h蓹mi艧蓹 bir ay谋ra bil蓹r, 莽眉nki
char, v蓹 biz h蓹mi艧蓹 t蓹hl眉k蓹siz ed蓹 bil蓹rsiniz

533
00:24:10,970 --> 00:24:15,599
bir-bir char baxmaq v蓹
sehrli burada ba艧 ba艧lay谋r.

534
00:24:15,599 --> 00:24:17,890
M蓹n a艧a臒谋 diyirl蓹yin gedir蓹m
Bu funksiya orta

535
00:24:17,890 --> 00:24:20,360
yaln谋z q谋sa bu funksiyan谋 t蓹qdim etm蓹k.

536
00:24:20,360 --> 00:24:22,670
脟ox var kimi
malloc funksiyas谋 var

537
00:24:22,670 --> 00:24:27,740
bir realloc funksiyas谋 oldu臒u realloc
Siz yadda艧 y谋臒谋n t蓹krar b枚l眉艧d眉r蓹 imkan verir

538
00:24:27,740 --> 00:24:29,570
v蓹 bu b枚y眉k v蓹 ya ki莽ik etm蓹k.

539
00:24:29,570 --> 00:24:33,060
Bel蓹 ki, uzun hekay蓹 q谋sa v蓹
Bu g眉n 蓹limd蓹 bir dal臒a,

540
00:24:33,060 --> 00:24:35,620
n蓹 GetString bilir
edir ki, sort var edir

541
00:24:35,620 --> 00:24:39,720
bir magically artan v蓹 ya
istifad蓹莽i kimi bufer azalan

542
00:24:39,720 --> 00:24:41,440
onun simli n枚vl蓹ri.

543
00:24:41,440 --> 00:24:43,962
>> Bel蓹 ki, 蓹g蓹r istifad蓹莽i bir
q谋sa string, bu kodu

544
00:24:43,962 --> 00:24:45,920
yaln谋z kifay蓹t q蓹d蓹r v蓹sait ay谋r谋b
yadda艧 simli uy臒un.

545
00:24:45,920 --> 00:24:48,086
Istifad蓹莽i yazaraq saxlay谋r
M蓹n bir daha v蓹 yenid蓹n kimi

546
00:24:48,086 --> 00:24:50,330
v蓹 yenid蓹n, yax艧谋, 蓹g蓹r
bufer nin ilkin bu b枚y眉k

547
00:24:50,330 --> 00:24:53,310
v蓹 proqram h蓹yata ke莽irir
bir d蓹qiq蓹 g枚zl蓹yin, m蓹n kosmik h蓹yata deyil蓹m,

548
00:24:53,310 --> 00:24:55,410
Bu ikiqat olacaq
bufer 枚l莽眉s眉

549
00:24:55,410 --> 00:24:59,110
v蓹 sonra bufer 枚l莽眉s眉 ikiqat
v蓹 misli yoxdur indeksi,

550
00:24:59,110 --> 00:25:03,170
Biz burada baxmaq 蓹g蓹r, bu
bu a臒谋ll谋 bir-liner.

551
00:25:03,170 --> 00:25:06,830
Bu sintaksis g枚rm眉艧蓹m bil蓹r
蓹vv蓹l, ancaq ulduz b蓹rab蓹rdir dem蓹k 蓹g蓹r,

552
00:25:06,830 --> 00:25:10,470
Bu eyni 艧ey kimi
g眉c眉 d蓹f蓹 2 s枚yl蓹y蓹r蓹k.

553
00:25:10,470 --> 00:25:13,390
Bel蓹 ki, yaln谋z misli saxlay谋r
bufer tutumu

554
00:25:13,390 --> 00:25:17,480
v蓹 sonra realloc izah verm蓹k
枚z眉 ki, daha 莽ox yadda艧.

555
00:25:17,480 --> 00:25:19,720
>> 陌ndi kimi bir k蓹nara var
Burada dig蓹r funksiyalar谋

556
00:25:19,720 --> 00:25:23,680
Biz h蓹r hans谋 bir detal baxmaq deyil ki,
GetInt g枚st蓹rm蓹k 眉莽眉n ba艧qa,

557
00:25:23,680 --> 00:25:26,150
biz GetInt GetString istifad蓹 edin.

558
00:25:26,150 --> 00:25:28,192
Biz bu deyil ki, yoxlamaq
null, olan, geri,

559
00:25:28,192 --> 00:25:30,400
x眉susi d蓹y蓹r ki,
bir 艧ey yanl谋艧 getdi dem蓹kdir.

560
00:25:30,400 --> 00:25:31,233
Biz yadda艧 bitti.

561
00:25:31,233 --> 00:25:32,310
Better ki yoxlay谋n.

562
00:25:32,310 --> 00:25:33,710
V蓹 biz bir sentinel d蓹y蓹r qay谋tmaq.

563
00:25:33,710 --> 00:25:37,850
Amma kimi 艧蓹rh t蓹xir蓹 laz谋md谋r
niy蓹 sonra biz scanf bu 蓹misi o臒lu istifad蓹

564
00:25:37,850 --> 00:25:42,100
sscanf adlan谋r v蓹 bu 莽谋x谋r
ki sscanf, v蓹 ya simli scanf,

565
00:25:42,100 --> 00:25:45,310
Siz line n蓹z蓹r imkan verir ki,
istifad蓹莽i tipli v蓹 imkan edib

566
00:25:45,310 --> 00:25:49,610
mahiyy蓹tc蓹 t蓹hlil v蓹 m蓹n n蓹
Burada bunu m蓹n sscanf deyir蓹m ki,

567
00:25:49,610 --> 00:25:54,440
istifad蓹莽i var n蓹 t蓹hlil
Y谋臒d谋臒谋n谋z v蓹 蓹min% i etm蓹k,

568
00:25:54,440 --> 00:25:59,250
Orada bir tam v蓹 biz deyil
d蓹 var d蓹qiq niy蓹 bu g眉n daxil

569
00:25:59,250 --> 00:26:03,760
脰zetle bir% burada c, lakin imkan verir
istifad蓹莽i tipli 蓹g蓹r biz蓹 a艧kar etm蓹k 眉莽眉n

570
00:26:03,760 --> 00:26:06,050
s谋ra sonra saxta bir 艧ey.

571
00:26:06,050 --> 00:26:11,766
Bel蓹 ki, s蓹b蓹b ki, GetInt v蓹 GetString
yeniden, yeniden siz蓹, yeniden

572
00:26:11,766 --> 00:26:13,640
莽眉nki b眉t眉n edir
biz yazd谋q ki indeksi,

573
00:26:13,640 --> 00:26:17,900
bu c眉r istifad蓹莽i giri艧in蓹 axtar谋r
蓹min edilm蓹si tamamil蓹 r蓹q蓹mli var

574
00:26:17,900 --> 00:26:21,700
v蓹 ya faktiki 眉z蓹n var
point d蓹y蓹ri v蓹 ya kimi,

575
00:26:21,700 --> 00:26:24,233
n蓹 d蓹y蓹rind蓹n as谋l谋 olaraq
istifad蓹 etdiyiniz f蓹aliyy蓹t g枚st蓹rir.

576
00:26:24,233 --> 00:26:25,060
>> Whew.

577
00:26:25,060 --> 00:26:25,710
OLDU.

578
00:26:25,710 --> 00:26:27,592
Ki, bir qurtum idi
lakin bax谋m谋ndan burada

579
00:26:27,592 --> 00:26:29,550
ki, biz idi s蓹b蓹bi
bu t蓹lim t蓹k蓹rl蓹r haqq谋nda

580
00:26:29,550 --> 00:26:32,880
脟眉nki 蓹n a艧a臒谋 s蓹viyy蓹d蓹dir
yaln谋z 莽ox 艧ey var ki,

581
00:26:32,880 --> 00:26:35,674
ist蓹dik ki, yanl谋艧 getm蓹k bil蓹r
preemptively idar蓹 etm蓹k

582
00:26:35,674 --> 00:26:38,090
蓹lb蓹tt蓹 o 艧eyi
sinif erk蓹n h蓹ft蓹,

583
00:26:38,090 --> 00:26:42,230
lakin indi pset d枚rd v蓹 pset be艧 il蓹
k蓹narda ona daha 莽ox oldu臒unu g枚r蓹c蓹ksiniz

584
00:26:42,230 --> 00:26:45,570
Siz h蓹m d蓹 daha 莽ox qadir oldu臒unuz
probleml蓹ri bu c眉r h蓹ll

585
00:26:45,570 --> 00:26:47,180
脰z眉n眉z.

586
00:26:47,180 --> 00:26:51,770
GetString ya GetInt h蓹r hans谋 suallar?

587
00:26:51,770 --> 00:26:52,630
Evet?

588
00:26:52,630 --> 00:26:55,130
>> Auditoriya: Niy蓹 iki d蓹f蓹 olard谋
bufer tutumu

589
00:26:55,130 --> 00:26:57,630
deyil, yaln谋z artan 莽ox
Bu d蓹qiq m蓹bl蓹臒i?

590
00:26:57,630 --> 00:26:58,100
>> DAVID Malan: Yax艧谋 suald谋r.

591
00:26:58,100 --> 00:27:00,474
Niy蓹 biz g眉c眉 iki d蓹f蓹 olard谋
Bufer f蓹rqli olaraq

592
00:27:00,474 --> 00:27:02,800
yaln谋z artan
b蓹zi sabit d蓹y蓹r?

593
00:27:02,800 --> 00:27:03,900
Bu dizayn q蓹rar idi.

594
00:27:03,900 --> 00:27:08,590
Biz yaln谋z 莽al谋艧谋r, 莽眉nki ki, q蓹rar
vaxt m眉drik bahal谋 az xahi艧 olmaq

595
00:27:08,590 --> 00:27:10,440
蓹m蓹liyyat sistemi
yadda艧 眉莽眉n, biz etm蓹dik

596
00:27:10,440 --> 00:27:13,210
min蓹rk蓹n ba艧a ist蓹yir蓹m
b枚y眉k strings 眉莽眉n bir v蓹ziyy蓹t

597
00:27:13,210 --> 00:27:14,960
biz xahi艧 edilmi艧dir ki,
T蓹krar OS

598
00:27:14,960 --> 00:27:17,500
v蓹 yenid蓹n v蓹 yenid蓹n
Yadda艧 眉莽眉n s眉r蓹tli ard谋c谋ll谋qla.

599
00:27:17,500 --> 00:27:20,387
Bel蓹 ki, biz yaln谋z bir q蓹d蓹r q蓹rar
枚zba艧谋na lakin biz 蓹sasl谋 眉mid,

600
00:27:20,387 --> 00:27:22,720
ki, siz ed蓹k n蓹
ir蓹lid蓹 枚z眉m眉z almaq 眉莽眉n c蓹hd

601
00:27:22,720 --> 00:27:25,520
v蓹 yaln谋z ki, bunu iki d蓹f蓹 saxlamaq
biz d蓹f蓹 m蓹bl蓹臒i azaltmaq

602
00:27:25,520 --> 00:27:29,010
biz malloc z蓹ng etm蓹k v蓹 ya
realloc, lakin 眉mumi q蓹rar

603
00:27:29,010 --> 00:27:31,820
bilm蓹d蓹n olmamas谋 z蓹ng
N蓹 istifad蓹莽il蓹r yaz谋n ed蓹 bil蓹rsiniz.

604
00:27:31,820 --> 00:27:33,600
H蓹r iki yollar谋 蓹sasl谋 ola bil蓹r.

605
00:27:33,600 --> 00:27:35,430
Arguably yax艧谋.

606
00:27:35,430 --> 00:27:39,240
>> Bel蓹 ki, bir ne莽蓹 n蓹z蓹r salaq
Yadda艧 dig蓹r yan t蓹sirl蓹ri,

607
00:27:39,240 --> 00:27:41,610
yanl谋艧 getm蓹k bil蓹r 艧eyl蓹r
v蓹 al蓹tl蓹ri bil蓹rsiniz

608
00:27:41,610 --> 00:27:43,880
s蓹hvl蓹r bu c眉r tutmaq 眉莽眉n istifad蓹 edin.

609
00:27:43,880 --> 00:27:47,800
Bu baxmayaraq, siz b眉t眉n 莽谋x谋r
check50, siz kimi 莽ox bildirm蓹di

610
00:27:47,800 --> 00:27:50,050
arabas谋 yaz谋l谋 edilmi艧dir
H蓹ft蓹 b蓹ri indeksi,

611
00:27:50,050 --> 00:27:53,630
h蓹tta b眉t眉n check50 testl蓹r 蓹g蓹r
ke莽di v蓹 h蓹tta sizin v蓹 TF

612
00:27:53,630 --> 00:27:56,010
ki, super 蓹minik
n蓹z蓹rd蓹 tutulan kimi code i艧l蓹yir.

613
00:27:56,010 --> 00:27:59,190
Sizin kodu arabas谋 olmu艧dur v蓹 ya
Siz ki, b眉t眉n flawed,

614
00:27:59,190 --> 00:28:02,540
CS50 kitabxana istifad蓹,
yadda艧 s谋zan edilmi艧dir.

615
00:28:02,540 --> 00:28:06,040
Siz 蓹m蓹liyyat sistemi xahi艧 etdik
proqramlar谋n 蓹n xatir蓹

616
00:28:06,040 --> 00:28:08,850
Siz yazd谋q, lakin siz var
h蓹qiq蓹t蓹n geri he莽 vaxt.

617
00:28:08,850 --> 00:28:12,110
Siz GetString adl谋 etdik
v蓹 GetInt v蓹 GetFloat,

618
00:28:12,110 --> 00:28:15,270
lakin GetString il蓹, siz var
unGetString v蓹 ya ver adl谋 he莽 vaxt

619
00:28:15,270 --> 00:28:19,890
String Back ya kimi, lakin biz g枚rd眉k
GetString yadda艧 ayr谋lmas谋 ki,

620
00:28:19,890 --> 00:28:22,810
malloc yolu v蓹 ya bu
yaln谋z funksiyas谋 realloc,

621
00:28:22,810 --> 00:28:25,670
ruhunda 莽ox ox艧ar,
v蓹 h蓹l蓹 biz oldum

622
00:28:25,670 --> 00:28:28,629
眉莽眉n 蓹m蓹liyyat sistemi xahi艧
yadda艧谋 v蓹 yadda艧 t蓹krar

623
00:28:28,629 --> 00:28:29,670
lakin onu geri verilm蓹si he莽 vaxt.

624
00:28:29,670 --> 00:28:33,550
>> 陌ndi k蓹nara kimi, bu 莽谋x谋r ki,
bir proqram yadda艧 b眉t眉n fit zaman

625
00:28:33,550 --> 00:28:34,870
avtomatik azad olunur.

626
00:28:34,870 --> 00:28:36,150
Bel蓹 ki, b枚y眉k bir 艧ey olmu艧dur deyil.

627
00:28:36,150 --> 00:28:38,590
Bu q谋rmaq niyy蓹tind蓹 deyil
IDE v蓹 ya yava艧 艧eyi a艧a臒谋,

628
00:28:38,590 --> 00:28:40,670
lakin zaman proqramlar谋 yoxdur
眉mumiyy蓹tl蓹 yadda艧 s谋zma

629
00:28:40,670 --> 00:28:42,170
v蓹 onlar uzun m眉dd蓹t 莽al谋艧an edirik.

630
00:28:42,170 --> 00:28:45,640
茝g蓹r axmaq az g枚rd眉m varsa
Mac OS v蓹 ya hourglass 莽im蓹rlik top

631
00:28:45,640 --> 00:28:51,160
Windows bu c眉r oldu臒u
a艧a臒谋 yava艧latan v蓹 ya d眉艧眉nc蓹 v蓹 ya d眉艧眉nc蓹

632
00:28:51,160 --> 00:28:53,770
v蓹 ya yaln谋z h蓹qiq蓹t蓹n ba艧lay谋r
bir tarama 眉莽眉n yava艧,

633
00:28:53,770 --> 00:28:56,960
bu, 莽ox b蓹lk蓹 ola bil蓹r
yadda艧 s谋zmas谋 n蓹tic蓹sind蓹 ba艧.

634
00:28:56,960 --> 00:28:59,970
yazd谋 proqram莽谋lar
istifad蓹 etdiyiniz proqram

635
00:28:59,970 --> 00:29:03,570
yadda艧 眉莽眉n 蓹m蓹liyyat sistemi xahi艧
bir ne莽蓹 d蓹qiq蓹, h蓹r saat.

636
00:29:03,570 --> 00:29:05,570
Amma yay谋nl谋yorsan谋z
Bu bel蓹 software,

637
00:29:05,570 --> 00:29:08,680
Sizin komp眉ter minimuma
sonunda saat v蓹 ya g眉n,

638
00:29:08,680 --> 00:29:11,980
Daha 莽ox v蓹 daha 莽ox 眉莽眉n xahi艧 edil蓹 bil蓹r
yadda艧 v蓹 蓹slind蓹 he莽 istifad蓹

639
00:29:11,980 --> 00:29:15,180
v蓹 sizin code ola bil蓹r, v蓹 ya
proqramlar谋, yadda艧 s谋zmas谋 ola bil蓹r

640
00:29:15,180 --> 00:29:18,350
v蓹 yadda艧 s谋zma ba艧lamaq 蓹g蓹r,
dig蓹r proqramlar谋 眉莽眉n daha az yadda艧 var,

641
00:29:18,350 --> 00:29:21,220
v蓹 t蓹siri edir
h蓹r 艧eyi a艧a臒谋 yava艧.

642
00:29:21,220 --> 00:29:23,600
>> 陌ndi, bu g眉n蓹 q蓹d蓹r biri il蓹
蓹n d蓹h艧蓹tli proqramlar谋

643
00:29:23,600 --> 00:29:26,350
Siz imkanlar var
CS50 run insofar

644
00:29:26,350 --> 00:29:31,650
onun 莽谋x谋艧 daha 莽ox ezoterik kimi
cingilti v蓹 ya nin v蓹 ya komanda h蓹r hans谋

645
00:29:31,650 --> 00:29:35,930
biz 蓹vv蓹l etdik line proqramlar谋 lakin
t蓹艧蓹kk眉rl蓹, onun 莽谋x谋艧谋 蓹laq蓹dar

646
00:29:35,930 --> 00:29:39,810
b蓹zi super faydal谋 m蓹sl蓹h蓹tl蓹ri ki,
faydal谋 bil蓹rsiniz pset d枚rd olacaq

647
00:29:39,810 --> 00:29:41,510
v蓹 ya 蓹lb蓹tt蓹 be艧 pset.

648
00:29:41,510 --> 00:29:44,250
Bel蓹 Valgrind bir vasit蓹dir
ki, baxmaq 眉莽眉n istifad蓹 edil蓹 bil蓹r

649
00:29:44,250 --> 00:29:46,930
proqram yadda艧 s谋z谋nt谋lar谋 眉莽眉n.

650
00:29:46,930 --> 00:29:48,570
Bu 莽al谋艧t谋rmak 眉莽眉n nisb蓹t蓹n sad蓹.

651
00:29:48,570 --> 00:29:51,420
Siz h蓹tta valgrind v蓹 sonra run
bir az verbose baxmayaraq,

652
00:29:51,420 --> 00:29:54,440
dash dash qa莽a臒谋
tam b蓹rab蓹rdir, v蓹 sonra dot

653
00:29:54,440 --> 00:29:56,320
do臒ramaq v蓹 proqram ad谋.

654
00:29:56,320 --> 00:30:00,010
Bel蓹 ki, valgrind sonra proqram谋 davam ed蓹c蓹k
v蓹 proqram 莽ox sonunda

655
00:30:00,010 --> 00:30:02,240
fit 蓹vv蓹l 莽al谋艧an v蓹
, ba艧qa bir tez verir

656
00:30:02,240 --> 00:30:04,980
Bu t蓹hlil etm蓹k olacaq sizin
Bu proqram 莽al谋艧an edilmi艧dir is蓹

657
00:30:04,980 --> 00:30:07,740
v蓹 siz s谋zma idi dem蓹k
daha yax艧谋 h蓹l蓹 h蓹r hans谋 bir yadda艧 v蓹,

658
00:30:07,740 --> 00:30:10,610
Siz yadda艧 toxunmaq ki,
Siz蓹 aid deyil?

659
00:30:10,610 --> 00:30:13,700
O h蓹r 艧eyi tutmaq bilm蓹z, lakin bu
蓹n 艧ey tutmaq olduqca yax艧谋.

660
00:30:13,700 --> 00:30:19,700
>> Bel蓹 ki, burada m蓹nim olan run bir misal var
Bu proqram, run Valgrind olan,

661
00:30:19,700 --> 00:30:21,470
adl谋 proqram谋 眉zr蓹
yadda艧 v蓹 m蓹n gedir蓹m

662
00:30:21,470 --> 00:30:24,730
x蓹tl蓹ri qeyd etm蓹k
n蓹tic蓹d蓹 bizim 眉莽眉n maraq.

663
00:30:24,730 --> 00:30:27,690
Bel蓹 ki, daha 莽ox distractions var
M蓹n slayd silindi etdik ki.

664
00:30:27,690 --> 00:30:30,930
Amma yaln谋z n蓹 bu g枚r蓹k
Proqram izah etm蓹y蓹 qadirdir.

665
00:30:30,930 --> 00:30:34,800
Bu, biz蓹 h蓹r 艧eyi izah qadir
枚l莽眉s眉 4 etibars谋z yazmaq kimi.

666
00:30:34,800 --> 00:30:38,020
Ba艧qa s枚zl蓹, siz yadda艧 toxunmaq, 蓹g蓹r,
Yadda艧 x眉susi 4 bayt

667
00:30:38,020 --> 00:30:40,350
Siz var ki,
valgrind siz蓹 dey蓹 bil蓹r蓹m ki.

668
00:30:40,350 --> 00:30:41,660
脰l莽眉s眉 4 Yanl谋艧 yazmaq.

669
00:30:41,660 --> 00:30:43,640
Siz d枚rd bayt toxunub
Siz var ki,.

670
00:30:43,640 --> 00:30:44,840
Harada siz bunu etdiniz?

671
00:30:44,840 --> 00:30:45,900
Bu g枚z蓹llik deyil.

672
00:30:45,900 --> 00:30:50,000
Yadda艧 dot c line 21 harada var
q谋f谋llar v蓹 faydal谋d谋r edirdi.

673
00:30:50,000 --> 00:30:53,410
脟ox gdb kimi, bu k枚m蓹k ed蓹 bil蓹r
faktiki s蓹hv qeyd.

674
00:30:53,410 --> 00:30:57,170
>> 陌ndi, bu bir az daha var
verbose, confusing 蓹g蓹r.

675
00:30:57,170 --> 00:31:01,307
1 blok 40 bayt m眉tl蓹q
loss rekord 1 1 itirdi.

676
00:31:01,307 --> 00:31:02,140
Bunun m蓹nas谋 n蓹dir?

677
00:31:02,140 --> 00:31:05,920
B蓹li, bu yaln谋z sizin 眉莽眉n xahi艧 dem蓹kdir
40 bytes v蓹 onu geri verdi, he莽 vaxt.

678
00:31:05,920 --> 00:31:08,930
Siz malloc adl谋 ya adl谋
GetString v蓹 蓹m蓹liyyat sistemi

679
00:31:08,930 --> 00:31:12,450
40 bytes, ancaq he莽 vaxt verdi
azad v蓹 ya yadda艧 azad,

680
00:31:12,450 --> 00:31:15,400
v蓹 蓹dal蓹tli olmaq, biz he莽 etdik
Siz nec蓹 yadda艧 geri verm蓹k.

681
00:31:15,400 --> 00:31:17,910
Super var 莽谋x谋r
sad蓹 funksiyas谋 pulsuz 莽a臒谋r谋b.

682
00:31:17,910 --> 00:31:21,170
Bir d蓹lil, 艧ey edir
Siz pulsuz v蓹 ya geri verm蓹k ist蓹yir蓹m

683
00:31:21,170 --> 00:31:23,430
lakin 40 bayt, y蓹qin,
Bu proqram

684
00:31:23,430 --> 00:31:27,300
x蓹ttind蓹 itirmi艧dir
Yadda艧 20 c n枚qt蓹.

685
00:31:27,300 --> 00:31:28,650
>> Bel蓹 ki, bu proqram g枚r蓹k.

686
00:31:28,650 --> 00:31:31,020
Bu super yarars谋z var.

687
00:31:31,020 --> 00:31:33,980
Bu, yaln谋z n眉mayi艧 etdirir
bu s蓹hv.

688
00:31:33,980 --> 00:31:34,920
Bel蓹 ki, bir n蓹z蓹r salaq.

689
00:31:34,920 --> 00:31:39,920
Burada 蓹sas v蓹 蓹sas, bildiri艧, z蓹ngl蓹r edir
bir funksiyas谋 f v蓹 sonra yekunlar谋 莽a臒谋r谋b.

690
00:31:39,920 --> 00:31:41,550
Bel蓹 ki, b眉t眉n maraql谋 deyil.

691
00:31:41,550 --> 00:31:42,664
F n蓹 edir?

692
00:31:42,664 --> 00:31:44,330
M蓹n bir prototip il蓹 narahat etm蓹di ed蓹k.

693
00:31:44,330 --> 00:31:46,520
M蓹n kodu saxlamaq ist蓹yirdi
m眉mk眉n q蓹d蓹r minimal.

694
00:31:46,520 --> 00:31:49,530
Bel蓹 ki, 蓹sas yuxar谋da f qoymaq v蓹
ki, 蓹lb蓹tt蓹, g枚z蓹l

695
00:31:49,530 --> 00:31:51,500
bu kimi q谋sa proqramlar谋 眉莽眉n.

696
00:31:51,500 --> 00:31:56,910
Bel蓹 ki, f 艧ey qay谋tmaq v蓹 etmir
Biz bir 艧ey almaq, lakin bunu etmir.

697
00:31:56,910 --> 00:31:59,620
Bu 莽ox kimi b蓹yan edir
Binky m蓹s蓹l蓹n,

698
00:31:59,620 --> 00:32:02,682
ki, x adl谋 g枚st蓹rici olacaq
bir int 眉nvan谋 saxlamaq 眉莽眉n.

699
00:32:02,682 --> 00:32:03,890
Bel蓹 ki, sol t蓹r蓹fi var.

700
00:32:03,890 --> 00:32:07,230
陌ngilis, n蓹
bunu sa臒 t蓹r蓹find蓹?

701
00:32:07,230 --> 00:32:09,770
H蓹r k蓹s?

702
00:32:09,770 --> 00:32:13,665
Bu, bizim 眉莽眉n n蓹 edir?

703
00:32:13,665 --> 00:32:14,651
Evet?

704
00:32:14,651 --> 00:32:16,623
>> Auditoriya: [i艧itilemez]
d蓹f蓹 bir int 枚l莽眉s眉

705
00:32:16,623 --> 00:32:19,175
olan 10 d蓹f蓹 ki, [i艧itilemez]

706
00:32:19,175 --> 00:32:20,800
DAVID Malan: Yax艧谋 v蓹 m蓹n蓹 yekunla艧d谋rmaq bildirin.

707
00:32:20,800 --> 00:32:25,480
Bel蓹 ki, 10 integers 眉莽眉n kifay蓹t q蓹d蓹r yer ay谋rmaq
v蓹 ya 10, bir int 枚l莽眉s眉, n蓹

708
00:32:25,480 --> 00:32:29,340
4 d枚rd bayt, bel蓹 ki, 10 d蓹f蓹 var
40, m蓹n etdik ki sa臒 t蓹r蓹find蓹 bel蓹

709
00:32:29,340 --> 00:32:33,930
Qeyd m蓹n蓹 40 bayt verir v蓹
ilk byte 眉nvan saxlamaq

710
00:32:33,930 --> 00:32:34,940
x daxil.

711
00:32:34,940 --> 00:32:38,380
陌ndi n蓹hay蓹t, burada harada
Bu proqram arabas谋, n蓹 var

712
00:32:38,380 --> 00:32:41,540
line 21 il蓹 yanl谋艧 m蓹ntiq 蓹sas谋nda?

713
00:32:41,540 --> 00:32:45,197

714
00:32:45,197 --> 00:32:46,280
N蓹 line 21 il蓹 yanl谋艧 var?

715
00:32:46,280 --> 00:32:46,780
Evet?

716
00:32:46,780 --> 00:32:49,550
Auditoriya: Siz ed蓹 bil蓹rsiniz
[I艧itilemez] x daxil index.

717
00:32:49,550 --> 00:32:50,300
DAVID Malan: B蓹li.

718
00:32:50,300 --> 00:32:52,270
M蓹n bel蓹 x daxil index olmamal谋d谋r.

719
00:32:52,270 --> 00:32:53,850
Bel蓹 syntactically, ki, OK.

720
00:32:53,850 --> 00:32:56,990
N蓹 g枚z蓹l sizin kimi 莽ox deyil
bir s谋ra ad谋n谋 m眉alic蓹 ed蓹 bil蓹r

721
00:32:56,990 --> 00:33:01,080
sanki eyni, bir g枚st蓹rici var
bu sanki bir g枚st蓹rici m眉alic蓹 ed蓹 bil蓹r

722
00:33:01,080 --> 00:33:06,425
bir s谋ra v蓹 m蓹n syntactically bil蓹r
x bracket bir 艧ey dem蓹k, x bracket i,

723
00:33:06,425 --> 00:33:07,800
lakin 10 problemlidir.

724
00:33:07,800 --> 00:33:09,096
Niy蓹?

725
00:33:09,096 --> 00:33:10,910
>> Auditoriya: daxili deyil, 莽眉nki.

726
00:33:10,910 --> 00:33:12,390
>> DAVID Malan: Bu deyil
yadda艧 ki, y谋臒谋n daxilind蓹.

727
00:33:12,390 --> 00:33:15,306
B枚y眉k d蓹y蓹ri M蓹n laz谋m deyil
o kvadrat m枚t蓹riz蓹d蓹 qoyulmas谋?

728
00:33:15,306 --> 00:33:16,870
9 9, 0.

729
00:33:16,870 --> 00:33:18,160
S谋f谋r indeksl蓹艧dirilm蓹si 脟眉nki.

730
00:33:18,160 --> 00:33:20,190
Bel蓹 ki, 9 vasit蓹sil蓹 0 g枚z蓹l olard谋.

731
00:33:20,190 --> 00:33:23,960
Bracket 10 yax艧谋 deyil v蓹
lakin, h蓹r d蓹f蓹 olsa geri

732
00:33:23,960 --> 00:33:27,017
M蓹n CS50 IDE etm蓹k 眉莽眉n c蓹hd g枚r眉n眉r
saxta d蓹y蓹rl蓹r yazaraq crash,

733
00:33:27,017 --> 00:33:29,100
Bu h蓹mi艧蓹 蓹m蓹kda艧l谋q etmir
v蓹 h蓹qiq蓹t蓹n, tez-tez

734
00:33:29,100 --> 00:33:31,460
u臒urlu olsun yaln谋z 莽眉nki
蓹m蓹liyyat sistemi deyil

735
00:33:31,460 --> 00:33:35,467
qeyd ki, he莽 bel蓹 y眉ng眉l
yadda艧 b蓹zi y谋臒谋n ke莽m蓹k,

736
00:33:35,467 --> 00:33:38,300
茝g蓹r texniki daxilind蓹 qald谋, 莽眉nki
Sizin segment, lakin daha 莽ox ki,

737
00:33:38,300 --> 00:33:40,940
蓹m蓹liyyat sisteml蓹ri sinif,
bu kimi bir 艧ey

738
00:33:40,940 --> 00:33:43,000
莽ox asanl谋qla undetected getm蓹k bil蓹r.

739
00:33:43,000 --> 00:33:48,120
Proqram he莽 q蓹za olacaq
ard谋c谋l amma b蓹lk蓹 d蓹f蓹 biraz.

740
00:33:48,120 --> 00:33:50,610
>> V蓹 bel蓹 ki, Valgrind ed蓹k
Bu v蓹 burada

741
00:33:50,610 --> 00:33:52,870
biz overwhelmed almaq laz谋md谋r
an 莽谋xd谋.

742
00:33:52,870 --> 00:34:00,810
Bel蓹 ki, yadda艧 valgrind s谋z谋nt谋s谋 莽ek etm蓹k
tam dot 莽izgi yadda艧 b蓹rab蓹rdir.

743
00:34:00,810 --> 00:34:03,040
M蓹n s枚z verir蓹m niy蓹 v蓹 burada
Bu 蓹zm蓹k olar.

744
00:34:03,040 --> 00:34:05,700
Burada valgrind, burada n蓹 var n蓹 var
proqram莽谋, bir ne莽蓹 il ago-

745
00:34:05,700 --> 00:34:08,469
yax艧谋 bir fikir olard谋 q蓹rar
kimi 莽谋x谋艧 baxmaq 眉莽眉n.

746
00:34:08,469 --> 00:34:09,750
Bel蓹 ki, bu m蓹nada ed蓹k.

747
00:34:09,750 --> 00:34:13,120
Sol t蓹r蓹fd蓹n bel蓹 ki, b眉t眉n yol
he莽 bir yax艧谋 s蓹b蓹bd蓹n yan

748
00:34:13,120 --> 00:34:16,620
proqram prosesi ID edir
biz yaln谋z, benzersiz bir tan谋dan run

749
00:34:16,620 --> 00:34:18,030
Proqram 眉莽眉n biz yaln谋z qa莽d谋.

750
00:34:18,030 --> 00:34:19,738
Biz ki, silindi
slide, lakin

751
00:34:19,738 --> 00:34:22,190
Burada b蓹zi faydal谋 m蓹lumatlar var.

752
00:34:22,190 --> 00:34:24,684
>> 脟ox 眉st diyirl蓹yin ed蓹k.

753
00:34:24,684 --> 00:34:25,600
Biz ba艧lad谋 burada.

754
00:34:25,600 --> 00:34:27,040
Bel蓹 ki, b眉t眉n 莽ox 莽谋x谋艧 deyil.

755
00:34:27,040 --> 00:34:30,429
Burada yaln谋艧 yazmaq deyil
x蓹tti 21 枚l莽眉l眉 4.

756
00:34:30,429 --> 00:34:31,760
Yax艧谋, line 21 n蓹 idi?

757
00:34:31,760 --> 00:34:34,500
Line 21 d蓹qiq idi
Bu v蓹 bu m蓹nada edir

758
00:34:34,500 --> 00:34:37,290
M蓹n validly da deyil蓹m ki,
M蓹n deyil蓹m, 莽眉nki 4 bayt yaz谋l谋

759
00:34:37,290 --> 00:34:40,389
Bu tam qoymaq 眉莽眉n 莽al谋艧谋r谋q,
ki, bir 艧ey ola bil蓹r

760
00:34:40,389 --> 00:34:42,370
yaln谋z olmaq olur
s谋f谋r, amma 莽al谋艧谋ram

761
00:34:42,370 --> 00:34:44,940
bir yerd蓹 qoymaq 眉莽眉n
ki, m蓹n蓹 aid deyil.

762
00:34:44,940 --> 00:34:50,900
Bir Bundan 蓹lav蓹, a艧a臒谋 burada, 40 bytes
bloklar谋 m眉tl蓹q rekord 1 itir.

763
00:34:50,900 --> 00:34:56,500
M蓹n malloc z蓹ng zaman, 莽眉nki
burada, m蓹n, h蓹qiq蓹t蓹n, yadda艧 azad, he莽 vaxt.

764
00:34:56,500 --> 00:34:58,140
>> Bel蓹 ki, nec蓹 biz bu d眉zeltmek bil蓹r?

765
00:34:58,140 --> 00:35:02,970
M蓹n蓹 davam ed蓹k v蓹 bir az daha t蓹hl眉k蓹siz olmaq
v蓹 orada 9 v蓹 burada pulsuz x m蓹n蓹 bildirin.

766
00:35:02,970 --> 00:35:04,820
Bu g眉n yeni funksiyas谋 var.

767
00:35:04,820 --> 00:35:11,520
陌ndi yadda艧 dot 莽izgi etm蓹k t蓹krar varsa,
, yenid蓹n bu valgrind run ed蓹k

768
00:35:11,520 --> 00:35:14,990
M蓹nim p蓹nc蓹r蓹 maksimize v蓹 Enter d眉ym蓹sini bas谋n.

769
00:35:14,990 --> 00:35:16,900
陌ndi, bu yax艧谋d谋r.

770
00:35:16,900 --> 00:35:19,590
Onlar yax艧谋 x蓹b蓹r basd谋rmaq
Bu 莽谋x谋艧 b眉t眉n.

771
00:35:19,590 --> 00:35:20,810
B眉t眉n y谋臒谋n bloklar谋 pulsuz idi.

772
00:35:20,810 --> 00:35:23,604
Biz n蓹 y谋臒谋n geri g蓹lm蓹k laz谋md谋r
, lakin he莽 bir s谋zmas谋 m眉mk眉nd眉r.

773
00:35:23,604 --> 00:35:25,520
Bel蓹 ki, bu yaln谋z bir deyil
Sizin al蓹t d蓹sti 眉莽眉n al蓹t

774
00:35:25,520 --> 00:35:30,220
olan siz ba艧laya bil蓹rsiniz
陌ndi kimi s蓹hv tapmaq.

775
00:35:30,220 --> 00:35:34,532
>> Amma g枚r蓹k n蓹
daha zal谋m burada ed蓹 bil蓹rsiniz.

776
00:35:34,532 --> 00:35:38,890
Indi ke莽id ed蓹k
h蓹qiq蓹t蓹n bir problem h蓹ll.

777
00:35:38,890 --> 00:35:42,440
Bir k蓹nara kimi, bu azad ed蓹c蓹k
qar谋艧谋ql谋q v蓹 ya g蓹rginlik az,

778
00:35:42,440 --> 00:35:43,430
bu art谋q g眉lm蓹li deyil.

779
00:35:43,430 --> 00:35:46,400

780
00:35:46,400 --> 00:35:46,900
B蓹li.

781
00:35:46,900 --> 00:35:49,040
Bu olduqca yax艧谋.

782
00:35:49,040 --> 00:35:50,890
G枚st蓹ricil蓹rin蓹 脟眉nki
眉nvanlar谋 v蓹 眉nvanlar谋

783
00:35:50,890 --> 00:35:53,098
Konvensiya il蓹 眉mumiyy蓹tl蓹
hexadecimal il蓹 yaz谋l谋.

784
00:35:53,098 --> 00:35:54,650
Ha, ha, indi g眉lm蓹li deyil.

785
00:35:54,650 --> 00:35:58,390
Af蓹rin, bel蓹 ki, indi ed蓹k
h蓹qiq蓹t蓹n bir problem h蓹ll edir.

786
00:35:58,390 --> 00:36:00,840
Bu super olmu艧dur
super indiy蓹 q蓹d蓹r a艧a臒谋 s蓹viyy蓹d蓹,

787
00:36:00,840 --> 00:36:03,950
v蓹 biz, h蓹qiq蓹t蓹n faydal谋 ed蓹 bil蓹rsiniz
bu a艧a臒谋 s蓹viyy蓹d蓹 detallar谋 il蓹 h蓹r 艧eyi.

788
00:36:03,950 --> 00:36:06,710
>> Bel蓹likl蓹, biz bir ne莽蓹 h蓹ft蓹 t蓹qdim
蓹vv蓹l bir s谋ra anlay谋艧谋.

789
00:36:06,710 --> 00:36:09,177
Bir s谋ra g枚z蓹l idi, 莽眉nki
bu, bizim kodu t蓹mizl蓹m蓹k 莽蓹tindir

790
00:36:09,177 --> 00:36:11,760
Biz yazmaq ist蓹yirdi, 莽眉nki
脟ox t蓹l蓹b蓹l蓹ri il蓹 proqram

791
00:36:11,760 --> 00:36:15,270
v蓹 ya bir ne莽蓹 adlar谋 v蓹 ev v蓹
yurdda v蓹 kollec v蓹 ki, b眉t眉n,

792
00:36:15,270 --> 00:36:19,430
biz h蓹r 艧eyi daha 莽ox saxlamaq bil蓹r
temiz bir s谋ra daxilind蓹.

793
00:36:19,430 --> 00:36:23,039
Amma bir 陌艧in m蓹nfi t蓹r蓹fi odur t蓹klif
bir s谋ra indiy蓹 q蓹d蓹r.

794
00:36:23,039 --> 00:36:26,080
Siz 枚z眉n眉z 蓹ziyy蓹t etdik, h蓹tta
bir proqramda, yaln谋z qeyri-iradi,

795
00:36:26,080 --> 00:36:30,870
pis bir 艧ey n蓹
bir s谋ra haqq谋nda, b蓹lk蓹?

796
00:36:30,870 --> 00:36:32,337
M蓹n b蓹zi murmurs e艧itm蓹k.

797
00:36:32,337 --> 00:36:34,170
Auditoriya: Bu 莽蓹tindir
枚l莽眉s眉n眉 d蓹yi艧dirm蓹k 眉莽眉n.

798
00:36:34,170 --> 00:36:36,128
DAVID Malan: Bu 莽蓹tindir
枚l莽眉s眉n眉 d蓹yi艧dirm蓹k 眉莽眉n.

799
00:36:36,128 --> 00:36:38,660
Siz 枚l莽眉s眉 d蓹yi艧蓹 bilm蓹z
bir s谋ra, 蓹slind蓹, 枚zl眉y眉nd蓹

800
00:36:38,660 --> 00:36:43,040
C. Ba艧qa bir s谋ra ay谋ra bil蓹r,
k枚hn蓹 bir 艧eyi h蓹r蓹k蓹t

801
00:36:43,040 --> 00:36:45,380
陌ndi yeni v蓹 daxil
b蓹zi 蓹lav蓹 yer var,

802
00:36:45,380 --> 00:36:47,469
ancaq bir kimi deyil
Java v蓹 ya Python kimi dil

803
00:36:47,469 --> 00:36:49,760
v蓹 ya dig蓹r h蓹r hans谋 bir say谋
il蓹 dill蓹rind蓹 b蓹zi

804
00:36:49,760 --> 00:36:52,070
tan谋艧 ola bil蓹r harada
艧eyi 蓹lav蓹 ed蓹 bil蓹rsiniz

805
00:36:52,070 --> 00:36:53,930
bir s谋ra sonuna reklam nauseam.

806
00:36:53,930 --> 00:36:57,880
Siz bir s谋ra zaman
onun 枚l莽眉s眉 枚l莽眉s眉 6,

807
00:36:57,880 --> 00:37:01,970
v蓹 ideya kimi 蓹vv蓹ll蓹r q蓹d蓹r
m眉蓹yy蓹n bir 枚l莽眉s眉 bir bufer olan,

808
00:37:01,970 --> 00:37:05,940
Siz qap谋s谋 h蓹yata tahmin var
n蓹 枚l莽眉s眉 siz olmaq ist蓹yirsiniz?

809
00:37:05,940 --> 00:37:07,880
Siz 莽ox b枚y眉k tahmin varsa,
Siz yer israf edirik.

810
00:37:07,880 --> 00:37:10,950
脟ox ki莽ik tahmin varsa, siz
蓹n az谋, ki, m蓹lumat saxlamaq olmaz

811
00:37:10,950 --> 00:37:12,940
daha 莽ox i艧 olmadan.

812
00:37:12,940 --> 00:37:18,180
>> G枚st蓹ricil蓹rin蓹 Bel蓹 ki, bu g眉n, thanks, biz
birlikd蓹 枚z x眉susi stitching ba艧lamaq

813
00:37:18,180 --> 00:37:20,989
data strukturlar谋, v蓹
茝slind蓹 burada bir 艧ey deyil

814
00:37:20,989 --> 00:37:23,030
ki, bir az daha g枚r眉n眉r
ilk bax谋艧dan sirli,

815
00:37:23,030 --> 00:37:26,440
lakin bu, biz bir ba臒l谋 z蓹ng ed蓹c蓹yik n蓹
siyah谋s谋, v蓹 眉mumil蓹艧dirir onun ad谋 c眉r

816
00:37:26,440 --> 00:37:26,940
Bu.

817
00:37:26,940 --> 00:37:29,550
Bu n枚mr蓹l蓹ri siyah谋s谋, v蓹 ya
Bu halda, n枚mr蓹l蓹ri siyah谋s谋,

818
00:37:29,550 --> 00:37:33,480
lakin bir 艧ey siyah谋s谋 ola bil蓹r, lakin bil蓹r
Bu, birlikd蓹 oxlar yolu il蓹 ba臒l谋 oldu

819
00:37:33,480 --> 00:37:36,380
v蓹 yaln谋z bir tahmin almaq
n蓹 texnika il蓹

820
00:37:36,380 --> 00:37:38,310
biz m眉mk眉n olacaq
birlikd蓹 stitch,

821
00:37:38,310 --> 00:37:42,540
sort bir m枚vzu il蓹 popcorn kimi,
burada siyah谋lar谋 d眉zbucaql谋 ba臒l谋d谋r?

822
00:37:42,540 --> 00:37:43,936
Onun n枚mr蓹l蓹ri?

823
00:37:43,936 --> 00:37:45,560
茝sas dil x眉susiyy蓹t n蓹dir?

824
00:37:45,560 --> 00:37:46,350
>> Auditoriya: A pointer.

825
00:37:46,350 --> 00:37:47,308
>> DAVID Malan: A pointer.

826
00:37:47,308 --> 00:37:51,700
Bel蓹 ki, bu oxlar h蓹r burada t蓹msil
bir pointer v蓹 ya yaln谋z bir 眉nvan谋.

827
00:37:51,700 --> 00:37:54,590
Bel蓹 ki, ba艧qa s枚zl蓹, m蓹n ist蓹yir蓹m
n枚mr蓹l蓹rin siyah谋s谋 saxlamaq 眉莽眉n,

828
00:37:54,590 --> 00:37:59,040
M蓹n ist蓹yir蓹m, m蓹n yaln谋z onu saxlamaq bilm蓹z
inki艧af v蓹 shrink imkan谋

829
00:37:59,040 --> 00:38:00,990
bir s谋ra m蓹nim data strukturu.

830
00:38:00,990 --> 00:38:03,000
M蓹n bir az laz谋md谋r
daha sophistication,

831
00:38:03,000 --> 00:38:05,720
lakin bu fark
艧蓹kil c眉r t蓹klif

832
00:38:05,720 --> 00:38:08,650
Siz yaln谋z ki莽ik m枚vzular谋 var, 蓹g蓹r ki,
birlikd蓹 h蓹r 艧ey birl蓹艧dir蓹n,

833
00:38:08,650 --> 00:38:13,100
y蓹qin ki, yer etm蓹k 莽蓹tin deyil
o d眉zbucaql谋 aras谋nda iki

834
00:38:13,100 --> 00:38:16,750
v蓹 ya bu qov艧aqlar谋n谋n iki biz ba艧lamaq laz谋md谋r
yeni node qoymaq, onlara z蓹ng,

835
00:38:16,750 --> 00:38:19,547
v蓹 sonra b蓹zi yeni m枚vzu il蓹, yaln谋z
眉莽 qov艧aqlar谋n谋n x蓹nd蓹k,

836
00:38:19,547 --> 00:38:22,880
Birincisi, son bir, bir
Yaln谋z orta daxil ki.

837
00:38:22,880 --> 00:38:26,000
>> H蓹qiq蓹t蓹n bir ba臒l谋 siyah谋,
bir s谋ra f蓹rqli olaraq, dinamik.

838
00:38:26,000 --> 00:38:27,840
Bu inki艧af ed蓹 bil蓹r v蓹 ola bil蓹r
shrink v蓹 siz deyil

839
00:38:27,840 --> 00:38:32,434
bilm蓹k v蓹 ya 蓹vv蓹lc蓹d蓹n nec蓹 qay臒谋 var
q蓹d蓹r data siz saxlan谋lmas谋 olacaq,

840
00:38:32,434 --> 00:38:35,600
lakin biz bir az olmal谋d谋r 莽谋x谋r
Bu h蓹yata nec蓹 haqq谋nda ehtiyatl谋.

841
00:38:35,600 --> 00:38:39,070
Bel蓹 ki, ilk biz h蓹yata nec蓹 hesab ed蓹k
bu ki莽ik d眉zbucaql谋 biridir.

842
00:38:39,070 --> 00:38:40,690
Bu int h蓹yata ke莽irilm蓹si 眉莽眉n asand谋r.

843
00:38:40,690 --> 00:38:44,000
Siz yaln谋z sonra int n v蓹 dem蓹k
Bir int 4 bayt almaq,

844
00:38:44,000 --> 00:38:49,089
amma bir int almaq nec蓹, n z蓹ng
v蓹 sonra bir pointer, n枚vb蓹ti z蓹ng ed蓹k.

845
00:38:49,089 --> 00:38:50,880
Biz bu z蓹ng ed蓹 bil蓹r
艦eyi bir 艧ey ist蓹yirik

846
00:38:50,880 --> 00:38:53,590
amma x眉susi data strukturu laz谋md谋r.

847
00:38:53,590 --> 00:38:54,257
Evet?

848
00:38:54,257 --> 00:38:57,020
>> Auditoriya: Ampersand [i艧itilemez].

849
00:38:57,020 --> 00:39:00,940
>> DAVID Malan: Bel蓹 ki, i艧areti biz istifad蓹 ed蓹c蓹k
potensial bir node 眉nvan谋n谋 almaq.

850
00:39:00,940 --> 00:39:02,740
Amma biz ba艧qa laz谋md谋r
C x眉susiyy蓹t 眉莽眉n

851
00:39:02,740 --> 00:39:06,700
M蓹n蓹 yaratmaq imkan谋 verir
Bu x眉susi d眉zbucaql谋, bu x眉susi

852
00:39:06,700 --> 00:39:08,919
d蓹yi艧蓹n siz yadda艧, olacaq.

853
00:39:08,919 --> 00:39:09,710
Auditoriya: A struct.

854
00:39:09,710 --> 00:39:10,626
DAVID Malan: A struct.

855
00:39:10,626 --> 00:39:14,310
Ke莽蓹n h蓹ft蓹 geri, biz t蓹qdim
struct, bu nisb蓹t蓹n sad蓹 s枚z

856
00:39:14,310 --> 00:39:16,254
ki, biz蓹 bu kimi 艧eyl蓹r etm蓹k imkan谋 verir.

857
00:39:16,254 --> 00:39:18,420
C m蓹lumatlar谋 il蓹 g蓹lm蓹di
strukturu t蓹l蓹b蓹 莽a臒谋r谋b.

858
00:39:18,420 --> 00:39:22,190
Bu int v蓹 float v蓹 char v蓹 il蓹 g蓹lir
Bel蓹, lakin t蓹l蓹b蓹 il蓹 g蓹lm蓹k deyil,

859
00:39:22,190 --> 00:39:26,750
lakin biz bir t蓹l蓹b蓹 data n枚v眉 yarada,
Bu sintaksis il蓹 bir t蓹l蓹b蓹 strukturu,

860
00:39:26,750 --> 00:39:27,250
burada.

861
00:39:27,250 --> 00:39:28,350
V蓹 t蓹krar bu g枚r蓹c蓹ksiniz.

862
00:39:28,350 --> 00:39:30,426
Bel蓹 ki, narahat etmir
a莽ar s枚zl蓹r ezberlemeye,

863
00:39:30,426 --> 00:39:33,300
lakin vacibdir s枚z deyil
dedik ki, yaln谋z fakt struct

864
00:39:33,300 --> 00:39:37,590
sonra biz bu t蓹l蓹b蓹 adlan谋r v蓹 daxili
t蓹l蓹b蓹 ad谋 v蓹 bir ev idi

865
00:39:37,590 --> 00:39:39,390
bir yurt v蓹 ya kimi v蓹 ya.

866
00:39:39,390 --> 00:39:41,980
>> V蓹 indi, bu g眉n, bu t蓹klif ed蓹k.

867
00:39:41,980 --> 00:39:45,240
M蓹n bir ne莽蓹 s枚z 蓹lav蓹, amma ist蓹yirsinizs蓹 sonra
ki, bu d眉zbucaql谋 h蓹yata ke莽irilm蓹si 眉莽眉n

868
00:39:45,240 --> 00:39:48,440
bir int v蓹 bir d蓹 var
pointer, siz, m蓹n n蓹 deyil蓹m bilirik

869
00:39:48,440 --> 00:39:51,540
node adl谋 struct b蓹yan olacaq.

870
00:39:51,540 --> 00:39:55,630
M蓹n dem蓹k gedir, onun daxilind蓹 d蓹 deyil蓹m
bir node, bu d眉zbucaql谋, bir int var ki,

871
00:39:55,630 --> 00:39:59,730
v蓹 biz z蓹ng ed蓹c蓹yik n v蓹
Bu n枚vb蓹ti g枚st蓹rici var.

872
00:39:59,730 --> 00:40:02,540
Bu, bir az verbose deyil
lakin bu bar蓹d蓹 d眉艧眉n眉yorsan谋z,

873
00:40:02,540 --> 00:40:07,300
艧蓹kil idi oxlar
bir an 蓹vv蓹l n蓹 data n枚v眉 var?

874
00:40:07,300 --> 00:40:12,330
Harada o oxlar h蓹r i艧ar蓹 edir
m蓹lumat strukturu hans谋 n枚v 眉莽眉n nec蓹?

875
00:40:12,330 --> 00:40:14,332
Bu, sad蓹c蓹 se ba艧谋na bir int i艧ar蓹 deyil.

876
00:40:14,332 --> 00:40:16,165
Bu i艧ar蓹
b眉t眉n d眉zbucaql谋 艧ey

877
00:40:16,165 --> 00:40:18,720
ki, d眉zbucaql谋 艧ey,
bir node adlan谋r bildirib.

878
00:40:18,720 --> 00:40:21,720
V蓹 bel蓹 ki, biz c眉r var
recursively bu c眉r m眉蓹yy蓹n

879
00:40:21,720 --> 00:40:26,270
bir node ki, biz dey蓹c蓹kl蓹r
n adl谋 int ehtiva edir

880
00:40:26,270 --> 00:40:31,070
v蓹 bir pointer n枚vb蓹ti adlan谋r
data strukturu n枚v眉

881
00:40:31,070 --> 00:40:35,770
ki, pointer xal y蓹qin deyil
struct node olacaq.

882
00:40:35,770 --> 00:40:41,550
>> Bel蓹 ki, bu annoyingly verbose deyil
v蓹 yaln谋z x谋rda莽谋 olmaq

883
00:40:41,550 --> 00:40:44,100
s蓹b蓹bi biz bilm蓹z
yaln谋z bu dem蓹k olan s蓹mimi

884
00:40:44,100 --> 00:40:46,860
, daha 莽ox oxunaql谋 g枚r眉n眉r
geri oxumaq C ki, 莽眉nki

885
00:40:46,860 --> 00:40:48,710
h蓹r 艧eyi alt 眉st, sa臒.

886
00:40:48,710 --> 00:40:54,120
Biz n枚qt蓹li verg眉l almaq q蓹d蓹r bu deyil
s枚z node h蓹qiq蓹t蓹n m枚vcud oldu臒unu.

887
00:40:54,120 --> 00:40:57,980
Biz bu c眉r etm蓹k ist蓹yirsinizs蓹 Bel蓹 ki,
m蓹lumatlar谋n daxilind蓹 cyclical aray谋艧

888
00:40:57,980 --> 00:41:02,120
strukturu, biz bunu, harada
biz, 眉st struct node dem蓹k olan

889
00:41:02,120 --> 00:41:06,770
Biz蓹 bu izah uzun yol verir
odur ki, biz struct node dem蓹k, sonra daxili,

890
00:41:06,770 --> 00:41:09,560
v蓹 sonra son line
biz dem蓹k, b眉t眉n sa臒, C, yolu il蓹,

891
00:41:09,560 --> 00:41:12,060
yaln谋z bu b眉t眉n l蓹n蓹tl蓹m蓹k z蓹ng
艧ey node v蓹 dayand谋rmaq

892
00:41:12,060 --> 00:41:14,360
c蓹mi s枚z struct istifad蓹 ed蓹r蓹k.

893
00:41:14,360 --> 00:41:18,030
Bel蓹 ki, bu yaln谋z sort bir sintaktik deyil
n蓹tic蓹d蓹 biz蓹 yaratmaq imkan verir oyun

894
00:41:18,030 --> 00:41:21,370
m蓹hz bu kimi g枚r眉n眉r ki, bir 艧ey.

895
00:41:21,370 --> 00:41:25,010
>> Biz indi g眉man 蓹g蓹r biz bel蓹
C bu 艧ey h蓹yata,

896
00:41:25,010 --> 00:41:28,040
nec蓹 h蓹qiq蓹t蓹n biz n蓹
bu traversing ba艧lamaq?

897
00:41:28,040 --> 00:41:32,360
B蓹li, 蓹slind蓹, biz n蓹 眉莽眉n b眉t眉n
sa臒 v蓹 yaln谋z sol olan t蓹krarlamaq

898
00:41:32,360 --> 00:41:35,960
n枚v qov艧aqlar谋n谋n daxil v蓹 ya qov艧aqlar谋n谋n silm蓹k
v蓹 ya biz ist蓹diyiniz yerd蓹 艧ey 眉莽眉n axtar谋艧,

899
00:41:35,960 --> 00:41:39,560
lakin bunu,-nin ir蓹li getm蓹k v蓹 ed蓹k
h蓹r 艧eyi bir az daha real 脟眉nki

900
00:41:39,560 --> 00:41:42,560
indiy蓹 q蓹d蓹r super a艧a臒谋 s蓹viyy蓹li olmu艧dur.

901
00:41:42,560 --> 00:41:45,700
H蓹r k蓹s sanki birinci olmaq ist蓹yirsiniz?

902
00:41:45,700 --> 00:41:46,200
OLDU.

903
00:41:46,200 --> 00:41:47,092
Q蓹d蓹r g蓹lib.

904
00:41:47,092 --> 00:41:47,800
S蓹nin ad谋n n蓹dir?

905
00:41:47,800 --> 00:41:48,499
>> DAVID: David.

906
00:41:48,499 --> 00:41:49,290
DAVID Malan: David.

907
00:41:49,290 --> 00:41:49,998
G枚r眉艧m蓹k Nice.

908
00:41:49,998 --> 00:41:50,960
M蓹nd蓹 h蓹m莽inin.

909
00:41:50,960 --> 00:41:52,450
Oldu.

910
00:41:52,450 --> 00:41:53,990
V蓹 biz bir s谋ra 9 laz谋md谋r.

911
00:41:53,990 --> 00:41:55,240
Kimi yax艧谋 deyil ilk olaraq, b蓹lk蓹 d蓹.

912
00:41:55,240 --> 00:41:56,430
OK, say谋 9.

913
00:41:56,430 --> 00:41:59,667
A say谋 17, xahi艧 edirik.

914
00:41:59,667 --> 00:42:01,000
M蓹n蓹 bir az uzaq geri ged蓹k.

915
00:42:01,000 --> 00:42:03,980
Number 22, xahi艧 edirik, v蓹
nec蓹 uzaq geri haqq谋nda

916
00:42:03,980 --> 00:42:06,344
M蓹n he莽 bir 蓹ll蓹ri g枚r蓹 bil蓹rsiniz
b眉t眉n i艧谋q v蓹 ya he莽 bir.

917
00:42:06,344 --> 00:42:08,010
Biri orada k枚n眉ll眉 olunur.

918
00:42:08,010 --> 00:42:08,968
Siz g蓹lm蓹k ist蓹yirsiniz?

919
00:42:08,968 --> 00:42:10,450
Sizin qolun zorla q蓹d蓹r davam edir.

920
00:42:10,450 --> 00:42:12,340
17 OK.

921
00:42:12,340 --> 00:42:13,690
22.

922
00:42:13,690 --> 00:42:15,120
26 a艧a臒谋 g蓹lir.

923
00:42:15,120 --> 00:42:18,450
H蓹r k蓹sd蓹n ist蓹yirsiniz
forcefully-- q蓹d蓹r Hadi.

924
00:42:18,450 --> 00:42:21,030
Faktiki k枚n眉ll眉.

925
00:42:21,030 --> 00:42:23,330
>> Bel蓹 ki, 莽ox tez, 蓹g蓹r
Sizl蓹rin t蓹艧kil ed蓹 bil蓹r

926
00:42:23,330 --> 00:42:26,550
枚z眉n眉z眉 yaln谋z kimi
ekranda qov艧aqlar谋n谋n.

927
00:42:26,550 --> 00:42:27,510
T蓹艧蓹kk眉r edir蓹m.

928
00:42:27,510 --> 00:42:29,234
V蓹 26 olacaq.

929
00:42:29,234 --> 00:42:30,650
B眉t眉n h眉quqlar v蓹 s眉r蓹tli t蓹tbiqi.

930
00:42:30,650 --> 00:42:32,139
Bel蓹likl蓹, m蓹n David Ben v蓹 siz d蓹 var?

931
00:42:32,139 --> 00:42:32,680
DAVID: David.

932
00:42:32,680 --> 00:42:33,721
DAVID Malan: V蓹 siz?

933
00:42:33,721 --> 00:42:34,229
JAKE: Jake.

934
00:42:34,229 --> 00:42:34,729
SUE: Sue.

935
00:42:34,729 --> 00:42:35,229
ALEX: Alex.

936
00:42:35,229 --> 00:42:36,475
RAPHAEL: Raphael.

937
00:42:36,475 --> 00:42:37,100
TAYLOR: Taylor.

938
00:42:37,100 --> 00:42:37,466
DAVID Malan: Taylor.

939
00:42:37,466 --> 00:42:37,590
茝la.

940
00:42:37,590 --> 00:42:39,810
Bel蓹 ki, bu, bizim k枚n眉ll眉
bu g眉n v蓹 ir蓹li getm蓹k

941
00:42:39,810 --> 00:42:43,090
v蓹 yol bir az ke莽m蓹k
v蓹 yaln谋z ir蓹li getm蓹k v蓹 saxlamaq

942
00:42:43,090 --> 00:42:47,024
Siz v蓹 ya Sizin kimi n枚mr蓹l蓹ri ke莽irilm蓹si
ilk 蓹lam蓹ti v蓹 sol t蓹r蓹fd蓹n istifad蓹 ed蓹r蓹k,

943
00:42:47,024 --> 00:42:48,940
ir蓹li getm蓹k v蓹 yaln谋z h蓹yata
bu oxlar, yaln谋z

944
00:42:48,940 --> 00:42:51,360
Sol t蓹r蓹fd蓹n s枚z眉n ki,
Siz qeyd etm蓹lidir n蓹 i艧ar蓹

945
00:42:51,360 --> 00:42:54,610
v蓹 枚z眉n眉z眉 ki, bir otaq verm蓹k
biz 蓹yani h蓹qiq蓹t蓹n, sizin silah ed蓹 bil蓹rsiniz

946
00:42:54,610 --> 00:42:58,120
i艧ar蓹, v蓹 yaln谋z qeyd ed蓹 bil蓹rsiniz
sort yer蓹 yax艧谋d谋r.

947
00:42:58,120 --> 00:43:03,040
>> Bel蓹 ki, burada biz bir ba臒l谋 siyah谋 var
iki, 眉莽, d枚rd, be艧 qov艧aqlar谋n谋n ilkin

948
00:43:03,040 --> 00:43:05,860
v蓹 biz bu x眉susi var fark
var ba艧谋nda pointer

949
00:43:05,860 --> 00:43:09,770
蓹sas biz takip laz谋md谋r, 莽眉nki
b眉t眉n uzunlu臒u siyah谋s谋 birt蓹h蓹r.

950
00:43:09,770 --> 00:43:13,590
Onlar t蓹rk edirik, baxmayaraq ki bu u艧aqlar,
sa臒, geri yadda艧 geri,

951
00:43:13,590 --> 00:43:15,950
onlar h蓹qiq蓹t蓹n h蓹r yerd蓹 ola bil蓹r
komp眉ter yadda艧谋nda.

952
00:43:15,950 --> 00:43:18,240
Bel蓹 ki, bu u艧aqlar ola bil蓹r
s蓹hn蓹d蓹 yerd蓹 dayanan

953
00:43:18,240 --> 00:43:20,960
v蓹 ki, uzun onlar kimi, g枚z蓹l
h蓹qiq蓹t蓹n bir-birin蓹 i艧ar蓹 ed蓹r蓹k,

954
00:43:20,960 --> 00:43:22,770
lakin 艧eyi saxlamaq 眉莽眉n
t蓹miz v蓹 sad蓹 alaca臒谋q

955
00:43:22,770 --> 00:43:25,728
yaln谋z onlara 莽蓹km蓹k kimi soldan sa臒a
Bu, lakin k眉tl蓹vi bo艧luqlar ola bil蓹r

956
00:43:25,728 --> 00:43:26,790
bu qov艧aqlar谋n谋n aras谋nda.

957
00:43:26,790 --> 00:43:30,710
>> 陌ndi M蓹n, h蓹qiq蓹t蓹n, b蓹zi 蓹lav蓹 etm蓹k ist蓹yirsinizs蓹,
yeni d蓹y蓹r, nin ir蓹li getm蓹k v蓹 bunu bildirin.

958
00:43:30,710 --> 00:43:33,720
Biz indi imkan谋
ba艧qa bir node se莽in.

959
00:43:33,720 --> 00:43:39,820
55 mallocing il蓹 ba艧lamaq ed蓹k deyirl蓹r.

960
00:43:39,820 --> 00:43:41,320
Kims蓹 malloc olan a臒la ist蓹yirsiniz?

961
00:43:41,320 --> 00:43:42,280
OK, q蓹d蓹r g蓹lib.

962
00:43:42,280 --> 00:43:42,992
S蓹nin ad谋n n蓹dir?

963
00:43:42,992 --> 00:43:43,700
RAINBOW: Rainbow.

964
00:43:43,700 --> 00:43:44,050
DAVID Malan: Rainbow?

965
00:43:44,050 --> 00:43:44,810
Oldu.

966
00:43:44,810 --> 00:43:46,600
Malloc Rainbow.

967
00:43:46,600 --> 00:43:47,450
Q蓹d蓹r g蓹lib.

968
00:43:47,450 --> 00:43:51,610
Bel蓹 ki, indi biz 枚z眉m眉z xahi艧 var
algorithmically biz 55 qoya bil蓹r harada.

969
00:43:51,610 --> 00:43:53,610
Bel蓹 ki, ham谋m谋z谋n bilm蓹si,
Ayd谋nd谋r ki, burada o, y蓹qin ki,

970
00:43:53,610 --> 00:43:55,401
biz 莽al谋艧d谋臒谋n谋z 蓹g蓹r m蓹xsusdur
Bu s谋ralan谋r saxlamaq

971
00:43:55,401 --> 00:43:58,299
v蓹 u艧aqlar bir almaq bil蓹r
geri add谋m bel蓹 ki, biz off d眉艧m蓹k deyil

972
00:43:58,299 --> 00:43:59,590
m蓹rh蓹l蓹, b枚y眉k olard谋.

973
00:43:59,590 --> 00:44:01,420
Bel蓹 ki, h蓹qiq蓹t蓹n, Rainbow,
M蓹niml蓹 burada ba艧lamaq,

974
00:44:01,420 --> 00:44:04,200
莽眉nki biz indi bil蓹rsiniz komp眉ter
yaln谋z bir zaman bir d蓹yi艧蓹n g枚r眉r眉k.

975
00:44:04,200 --> 00:44:05,190
Bu ilk node 蓹g蓹r bel蓹.

976
00:44:05,190 --> 00:44:07,160
O, bir node deyil ed蓹k
o, yaln谋z bir g枚st蓹rici var

977
00:44:07,160 --> 00:44:10,270
o c蓹lb niy蓹 v蓹 ki
bir g枚st蓹rici yaln谋z 枚l莽眉s眉 deyil,

978
00:44:10,270 --> 00:44:11,780
o tam d眉zbucaql谋 biridir.

979
00:44:11,780 --> 00:44:16,650
Bel蓹 ki, biz h蓹r yoxlamaq olacaq
iteration 9 55 az?

980
00:44:16,650 --> 00:44:17,150
Yox.

981
00:44:17,150 --> 00:44:19,060
17 55 az?

982
00:44:19,060 --> 00:44:19,720
Yox.

983
00:44:19,720 --> 00:44:20,800
22-d蓹n az?

984
00:44:20,800 --> 00:44:22,020
26-d蓹n az?

985
00:44:22,020 --> 00:44:23,390
34-d蓹n az?

986
00:44:23,390 --> 00:44:25,890
V蓹 indi, a莽谋q-ayd谋n
Rainbow sonunda m蓹xsusdur.

987
00:44:25,890 --> 00:44:27,270
Bel蓹 ayd谋n ola bil蓹r, v蓹 n蓹 眉莽眉n
ad谋, Taylor idi?

988
00:44:27,270 --> 00:44:27,895
>> TAYLOR: Taylor.

989
00:44:27,895 --> 00:44:32,510
DAVID MALAN: Taylor nin aras谋nda So
sol v蓹 burada Rainbow 蓹ll蓹ri,

990
00:44:32,510 --> 00:44:38,324
Onlar谋n 蓹l n蓹 qeyd etm蓹k laz谋md谋r
Bu siyah谋da 55 蓹lav蓹 etm蓹k sifari艧?

991
00:44:38,324 --> 00:44:39,240
Biz n蓹 etm蓹k laz谋md谋r?

992
00:44:39,240 --> 00:44:39,700
Evet?

993
00:44:39,700 --> 00:44:41,140
>> Auditoriya: Taylor 蓹li
sol qeyd etm蓹k laz谋md谋r.

994
00:44:41,140 --> 00:44:41,680
>> DAVID Malan: M蓹hz.

995
00:44:41,680 --> 00:44:43,800
Bel蓹 ki, bir node daxil
siyah谋s谋 sonunda

996
00:44:43,800 --> 00:44:47,140
olduqca sad蓹, 莽眉nki Taylor yaln谋z
yer蓹 yerin蓹, qeyd etm蓹k var

997
00:44:47,140 --> 00:44:49,640
v蓹 ya biz, null z蓹ng ed蓹c蓹yik
null olmamas谋 sort

998
00:44:49,640 --> 00:44:51,640
bir g枚st蓹rici v蓹 ya x眉susi
s谋f谋r pointer, sen

999
00:44:51,640 --> 00:44:53,740
Sizin sol il蓹 qeyd etm蓹k gedir
蓹l Rainbow v蓹 sonra Rainbow,

1000
00:44:53,740 --> 00:44:55,910
harada sol olmal谋d谋r
蓹l y蓹qin ki, qeyd?

1001
00:44:55,910 --> 00:44:56,570
Down.

1002
00:44:56,570 --> 00:45:00,140
茝lini sort 蓹g蓹r yax艧谋 deyil
burada v蓹 ya sort h蓹r hans谋 bir off i艧ar蓹 ed蓹n

1003
00:45:00,140 --> 00:45:00,640
yol.

1004
00:45:00,640 --> 00:45:02,407
Bu hesab olunacaq
zibil d蓹y蓹ri,

1005
00:45:02,407 --> 00:45:04,240
lakin o, i艧ar蓹, 蓹g蓹r
b蓹zi m蓹lum d蓹y蓹ri alaca臒谋q

1006
00:45:04,240 --> 00:45:07,360
s谋f谋r v蓹 ya null z蓹ng, OK
bu bir m眉dd蓹t var, 莽眉nki

1007
00:45:07,360 --> 00:45:09,390
v蓹 biz siyah谋s谋 indi tam bilirik.

1008
00:45:09,390 --> 00:45:11,550
>> Bel蓹 ki, n蓹 ba艧qa var
nisb蓹t蓹n sad蓹 halda?

1009
00:45:11,550 --> 00:45:13,125
Biz 5 malloc bil蓹r?

1010
00:45:13,125 --> 00:45:14,010
Q蓹d蓹r g蓹lib.

1011
00:45:14,010 --> 00:45:14,782
S蓹nin ad谋n n蓹dir?

1012
00:45:14,782 --> 00:45:15,490
TIFFANY: Tiffany.

1013
00:45:15,490 --> 00:45:16,000
DAVID MALAN: M蓹n t蓹蓹ss眉f edir蓹m?

1014
00:45:16,000 --> 00:45:16,470
TIFFANY: Tiffany.

1015
00:45:16,470 --> 00:45:16,880
DAVID Malan: Tiffany.

1016
00:45:16,880 --> 00:45:17,110
Oldu.

1017
00:45:17,110 --> 00:45:19,071
Tiffany malloced edilmi艧dir
d蓹y蓹ri 5.

1018
00:45:19,071 --> 00:45:19,570
Q蓹d蓹r g蓹lib.

1019
00:45:19,570 --> 00:45:23,820
Bu, 莽ox nisb蓹t蓹n asand谋r, lakin
Indi 蓹m蓹liyyatlar谋 眉莽眉n n蓹z蓹rd蓹n ke莽ir蓹k.

1020
00:45:23,820 --> 00:45:25,820
Bu olduqca asan idi
sonunda Taylor il蓹.

1021
00:45:25,820 --> 00:45:30,302
Number 5, 蓹lb蓹tt蓹 az 9 da艧谋y谋r
v蓹 biz, biz Tiffany var, David var

1022
00:45:30,302 --> 00:45:31,260
v蓹 ad谋 n蓹 idi?

1023
00:45:31,260 --> 00:45:31,680
>> JAKE: Jake.

1024
00:45:31,680 --> 00:45:32,470
>> DAVID Malan: Jake.

1025
00:45:32,470 --> 00:45:34,300
Tiffany, Jake, v蓹 David.

1026
00:45:34,300 --> 00:45:36,580
Kimin 蓹li ilk sat谋c谋 t蓹r蓹find蓹n ayd谋nl谋q olmal谋d谋r?

1027
00:45:36,580 --> 00:45:39,260

1028
00:45:39,260 --> 00:45:40,590
Siz burada n蓹 etm蓹k ist蓹yirsiniz?

1029
00:45:40,590 --> 00:45:45,244
Bir ne莽蓹 m眉mk眉n yollar谋 var, lakin
bir v蓹 ya daha yanl谋艧 yollar谋 da var.

1030
00:45:45,244 --> 00:45:46,620
>> Auditoriya: leftmost il蓹 ba艧lay谋n.

1031
00:45:46,620 --> 00:45:47,800
>> DAVID Malan: leftmost il蓹 ba艧lay谋n.

1032
00:45:47,800 --> 00:45:49,008
Kim sonra burada leftmost var?

1033
00:45:49,008 --> 00:45:49,700
Auditoriya: First.

1034
00:45:49,700 --> 00:45:50,366
>> DAVID Malan: OK.

1035
00:45:50,366 --> 00:45:53,781
Bel蓹 ki, ilk il蓹 ba艧lamaq v蓹 siz harada n蓹
Davudun 蓹ll蓹ri olmaq yenil蓹m蓹k ist蓹yirsiniz?

1036
00:45:53,781 --> 00:45:54,780
Auditoriya: 5 do臒ru.

1037
00:45:54,780 --> 00:45:55,446
DAVID Malan: OK.

1038
00:45:55,446 --> 00:45:59,026
Be艧 Bel蓹 ki, David, point
v蓹 ya Tiffany burada v蓹 indi?

1039
00:45:59,026 --> 00:46:01,072
>> Auditoriya: Tiffany 9 bal?

1040
00:46:01,072 --> 00:46:04,030
DAVID Malan: Perfect, Binky nin istisna olmaqla
ba艧 yaln谋z c眉r, sa臒 d眉艧d眉?

1041
00:46:04,030 --> 00:46:06,820
Il蓹 yanl谋艧 n蓹, 莽眉nki
sanki bu 艧蓹kil?

1042
00:46:06,820 --> 00:46:08,070
Auditoriya: He莽 bir 艧ey i艧ar蓹 edir.

1043
00:46:08,070 --> 00:46:09,945
DAVID Malan: He莽 bir 艧ey deyil
indi Jake i艧ar蓹.

1044
00:46:09,945 --> 00:46:13,360
Biz s枚z眉n 9 yetim etdik
17, v蓹 biz s枚z眉n var

1045
00:46:13,360 --> 00:46:18,450
bu yadda艧 b眉t眉n s谋zan 枚t蓹ri
ilk Davudun 蓹li yenil蓹nm蓹si, ki

1046
00:46:18,450 --> 00:46:21,660
d眉zg眉n kimi insofar g枚z蓹l
陌ndi Tiffany da i艧ar蓹 ed蓹r蓹k,

1047
00:46:21,660 --> 00:46:25,410
lakin he莽 bir olsayd谋
Jake qeyd etm蓹k uzaqg枚r蓹nliyi,

1048
00:46:25,410 --> 00:46:27,490
sonra biz itirdik
ki, siyah谋da b眉t枚vl眉kd蓹.

1049
00:46:27,490 --> 00:46:28,200
Bel蓹 ki, 蓹vv蓹lki hal谋na qaytar ed蓹k.

1050
00:46:28,200 --> 00:46:30,950
Bel蓹 ki, yax艧谋 bir 艧ey idi
眉z蓹rind蓹 s蓹f蓹r lakin indi d眉z蓹ltm蓹k ed蓹k.

1051
00:46:30,950 --> 00:46:33,624
Biz ilk 蓹v蓹zin蓹 etm蓹liy蓹m?

1052
00:46:33,624 --> 00:46:34,124
Evet?

1053
00:46:34,124 --> 00:46:35,791
>> Auditoriya: Tiffany 9 qeyd etm蓹lidir?

1054
00:46:35,791 --> 00:46:37,582
DAVID MALAN: I bilm蓹z
Siz蓹 yax谋n almaq.

1055
00:46:37,582 --> 00:46:38,720
9 Kim qeyd etm蓹lidir?

1056
00:46:38,720 --> 00:46:39,220
>> Auditoriya: Tiffany.

1057
00:46:39,220 --> 00:46:39,390
>> DAVID Malan: B眉t眉n h眉ququ.

1058
00:46:39,390 --> 00:46:41,200
Bel蓹 ki, Tiffany 9 ilk point olmal谋d谋r.

1059
00:46:41,200 --> 00:46:43,550
Bel蓹 ki, Tiffany almaq laz谋md谋r
eyni d蓹y蓹ri

1060
00:46:43,550 --> 00:46:45,820
Davuda olan g枚r眉n眉r
bir an laz谋ms谋z,

1061
00:46:45,820 --> 00:46:48,820
lakin ikinci, 莽眉nki indi g枚z蓹l var
add谋m, biz Davudun 蓹li t蓹kmill蓹艧dir蓹 bil蓹r

1062
00:46:48,820 --> 00:46:52,680
Tiffany, sonra 蓹g蓹r qeyd etm蓹k
biz yaln谋z n枚v t蓹miz 艧eyi q蓹d蓹r

1063
00:46:52,680 --> 00:46:55,740
Bu bahar kimi n枚v sanki,
陌ndi ki, d眉zg眉n durub var.

1064
00:46:55,740 --> 00:46:56,700
Bel蓹 ki, 蓹la.

1065
00:46:56,700 --> 00:46:57,970
Bel蓹 ki, indi biz dem蓹k olar ki, orada edirik.

1066
00:46:57,970 --> 00:47:01,075
Nin bir final daxil ed蓹k
d蓹y蓹ri 20 kimi d蓹y蓹r.

1067
00:47:01,075 --> 00:47:03,010
Biz bir final k枚n眉ll眉 malloc bil蓹r?

1068
00:47:03,010 --> 00:47:04,140
Q蓹d蓹r g蓹lib.

1069
00:47:04,140 --> 00:47:06,224
Bel蓹 ki, bu bir az daha 莽蓹tin.

1070
00:47:06,224 --> 00:47:08,390
Lakin, h蓹qiq蓹t蓹n, kodu, biz ist蓹yirik
yaz谋l谋, 艧ifahi d蓹 olsa,

1071
00:47:08,390 --> 00:47:10,610
Yaln谋z bir d蓹st蓹 olan kimi
陌ndi 艧蓹rait, sa臒 蓹g蓹r?

1072
00:47:10,610 --> 00:47:12,318
Biz v蓹ziyy蓹ti idi
bu m蓹xsusdur 蓹g蓹r yoxlan谋lmas谋

1073
00:47:12,318 --> 00:47:13,840
Sonda, b蓹lk蓹 蓹vv蓹lind蓹.

1074
00:47:13,840 --> 00:47:15,940
Biz loop bir n枚v laz谋md谋r
ortada spot tapmaq.

1075
00:47:15,940 --> 00:47:17,400
Bel蓹 ki, ad谋 n蓹 il蓹 n蓹 ed蓹k?

1076
00:47:17,400 --> 00:47:17,700
>> ERIC: Eric.

1077
00:47:17,700 --> 00:47:18,340
>> DAVID Malan: Eric?

1078
00:47:18,340 --> 00:47:18,660
Eric.

1079
00:47:18,660 --> 00:47:19,368
G枚r眉艧m蓹k Nice.

1080
00:47:19,368 --> 00:47:20,490
Bel蓹 ki, biz 20 var.

1081
00:47:20,490 --> 00:47:21,220
Be艧 Az?

1082
00:47:21,220 --> 00:47:21,530
Yox.

1083
00:47:21,530 --> 00:47:22,160
Doqquz az?

1084
00:47:22,160 --> 00:47:22,410
Yox.

1085
00:47:22,410 --> 00:47:23,050
17-d蓹n az?

1086
00:47:23,050 --> 00:47:23,550
Yox.

1087
00:47:23,550 --> 00:47:23,740
OLDU.

1088
00:47:23,740 --> 00:47:25,701
O, burada m蓹xsusdur v蓹
Sizin adlar谋 yen蓹 var?

1089
00:47:25,701 --> 00:47:26,200
SUE: Sue.

1090
00:47:26,200 --> 00:47:26,880
DAVID Malan: Sue.

1091
00:47:26,880 --> 00:47:27,379
ALEX: Alex.

1092
00:47:27,379 --> 00:47:28,790
DAVID Malan: Sue, Alex, v蓹?

1093
00:47:28,790 --> 00:47:29,290
ERIC: Eric.

1094
00:47:29,290 --> 00:47:30,120
DAVID Malan: Eric.

1095
00:47:30,120 --> 00:47:32,140
Kimin 蓹ll蓹ri ilk yenil蓹nir almaq laz谋md谋r?

1096
00:47:32,140 --> 00:47:32,930
>> Auditoriya: Eric.

1097
00:47:32,930 --> 00:47:33,429
OLDU.

1098
00:47:33,429 --> 00:47:35,200
Bel蓹 ki, Eric nin oldu臒u qeyd etm蓹lidir?

1099
00:47:35,200 --> 00:47:35,930
22.

1100
00:47:35,930 --> 00:47:36,430
Yax艧谋.

1101
00:47:36,430 --> 00:47:38,180
陌ndi n蓹 g蓹l蓹n var?

1102
00:47:38,180 --> 00:47:40,800
Sue sonra Eric qeyd ed蓹 bil蓹rsiniz
v蓹 indi, 蓹g蓹r u艧aqlar yaln谋z

1103
00:47:40,800 --> 00:47:44,077
g枚z蓹l bir otaq etm蓹k
vizual, indi biz durub etdik.

1104
00:47:44,077 --> 00:47:47,160
Bel蓹 ki, indi bir sual n蓹z蓹rd蓹n ke莽ir蓹k lakin
Bizim k枚n眉ll眉 眉莽眉n 莽ox t蓹艧蓹kk眉r edir蓹m.

1105
00:47:47,160 --> 00:47:48,090
脟ox yax艧谋.

1106
00:47:48,090 --> 00:47:50,831
陌st蓹s蓹niz, bu davam ed蓹 bil蓹rsiniz.

1107
00:47:50,831 --> 00:47:54,140
V蓹 biz bir sevimli ayr谋l谋q h蓹diyy蓹 蓹g蓹r var
Siz h蓹r bir stress topu almaq ist蓹yir蓹m.

1108
00:47:54,140 --> 00:47:56,030
M蓹n蓹 yaln谋z bu a艧a臒谋 s眉zm蓹k.

1109
00:47:56,030 --> 00:47:58,430
Bel蓹 ki, bu paket n蓹dir?

1110
00:47:58,430 --> 00:48:02,430
Bu g枚z蓹l g枚r眉n眉r
biz indi h蓹dd蓹

1111
00:48:02,430 --> 00:48:06,360
bir alternativ t蓹qdim
bel蓹 m蓹hdudla艧m谋r array

1112
00:48:06,360 --> 00:48:07,780
b蓹zi sabit 枚l莽眉s眉 bir s谋ra.

1113
00:48:07,780 --> 00:48:09,380
Onlar dinamik inki艧af ed蓹 bil蓹r.

1114
00:48:09,380 --> 00:48:13,220
>> Amma biz kimi 莽ox h蓹ft蓹 g枚rd眉m
Ke莽mi艧d蓹 biz pulsuz 眉莽眉n bir 艧ey almaq he莽 vaxt

1115
00:48:13,220 --> 00:48:15,740
kimi, 艧眉bh蓹siz ki, burada ticar蓹t-off var.

1116
00:48:15,740 --> 00:48:18,890
Bir ba臒l谋 bir ayaq il蓹 bel蓹
siyah谋s谋, bu dinamizm var?

1117
00:48:18,890 --> 00:48:21,590
Bu qabiliyy蓹ti, s蓹mimi inki艧af v蓹
biz sil ed蓹 bil蓹rdi

1118
00:48:21,590 --> 00:48:23,570
laz谋m v蓹 shrink bil蓹r.

1119
00:48:23,570 --> 00:48:24,710
Biz n蓹 qiym蓹t 枚d蓹yir?

1120
00:48:24,710 --> 00:48:28,510

1121
00:48:28,510 --> 00:48:30,340
Twice ilk n枚vb蓹d蓹 莽ox yer kimi.

1122
00:48:30,340 --> 00:48:34,010
Siz 艧蓹kil baxsaq, art谋q
M蓹n integers bir siyah谋s谋n谋 saxlan谋lmas谋.

1123
00:48:34,010 --> 00:48:36,740
M蓹n bir siyah谋s谋n谋 saxlan谋lmas谋 al谋ram
integers plus g枚st蓹ricil蓹r.

1124
00:48:36,740 --> 00:48:38,240
Bel蓹likl蓹, m蓹n kosmik m蓹bl蓹臒i iki d蓹f蓹 al谋ram.

1125
00:48:38,240 --> 00:48:40,740
陌ndi b蓹lk蓹 ki, bel蓹 deyil
b枚y眉k 4 bayt, 8 bayt,

1126
00:48:40,740 --> 00:48:43,160
lakin 蓹lb蓹tt蓹 蓹lav蓹 ed蓹
b枚y眉k data d蓹stl蓹ri 眉莽眉n.

1127
00:48:43,160 --> 00:48:45,570
Ba艧qa 陌艧in m蓹nfi t蓹r蓹fi odur n蓹dir?

1128
00:48:45,570 --> 00:48:46,070
Evet?

1129
00:48:46,070 --> 00:48:48,010
>> Auditoriya: Biz var
onlara bir-bir ax谋r.

1130
00:48:48,010 --> 00:48:48,760
DAVID Malan: B蓹li.

1131
00:48:48,760 --> 00:48:50,260
Biz onlara bir-bir ax谋r var.

1132
00:48:50,260 --> 00:48:53,860
Siz bu super imtina n蓹 bilirik
kvadrat bracket rahat x眉susiyy蓹t

1133
00:48:53,860 --> 00:48:57,240
notation, daha d眉zg眉n
t蓹sad眉fi giri艧 kimi tan谋nan,

1134
00:48:57,240 --> 00:48:59,280
biz yaln谋z jump ed蓹 bil蓹rsiniz
f蓹rdi element

1135
00:48:59,280 --> 00:49:01,470
lakin indi m蓹n h蓹l蓹 d蓹 olsa
burada k枚n眉ll眉l蓹ri,

1136
00:49:01,470 --> 00:49:04,660
M蓹n tapmaq ist蓹yirdi
22 n枚mr蓹li, yaln谋z bilm蓹z

1137
00:49:04,660 --> 00:49:06,620
bracket bir 艧ey bir 艧ey jump.

1138
00:49:06,620 --> 00:49:10,530
M蓹n 莽ox siyah谋 眉z蓹rind蓹 baxmaq
x蓹tti bizim axtar谋艧 n眉mun蓹l蓹ri kimi,

1139
00:49:10,530 --> 00:49:12,260
say谋 22 tapmaq 眉莽眉n.

1140
00:49:12,260 --> 00:49:14,340
Bel蓹likl蓹, biz bir qiym蓹t 枚d蓹nilir g枚r眉n眉r.

1141
00:49:14,340 --> 00:49:16,430
Amma biz yen蓹 bil蓹rsiniz
dig蓹r m蓹s蓹l蓹l蓹ri h蓹ll etsin.

1142
00:49:16,430 --> 00:49:18,587
>> 茝slind蓹, m蓹n蓹 t蓹qdim ed蓹k
visuals bir ne莽蓹.

1143
00:49:18,587 --> 00:49:20,920
A艧a臒谋 oldu臒unuz Bel蓹 ki
Mather Dining Hall yax谋nlarda,

1144
00:49:20,920 --> 00:49:23,320
ki, xat谋rlamaq laz谋md谋r onlar谋n
ox艧ar qablar destesi,

1145
00:49:23,320 --> 00:49:26,300
biz bu borc
Sinif 蓹vv蓹l Annenberg.

1146
00:49:26,300 --> 00:49:28,930
Bel蓹 ki, qablar, bu y谋臒谋n谋, baxmayaraq ki,
n眉may蓹nd蓹si 蓹slind蓹

1147
00:49:28,930 --> 00:49:30,860
Komp眉ter elm data strukturu.

1148
00:49:30,860 --> 00:49:32,910
Bir data strukturu var
komp眉ter

1149
00:49:32,910 --> 00:49:38,010
bir y谋臒谋n kimi tan谋nan olan 莽ox g枚z蓹l
m蓹hz bu vizual 枚z眉 verir.

1150
00:49:38,010 --> 00:49:41,380
Bu qablar h蓹r bir deyil, 蓹g蓹r bel蓹
tray lakin bir s谋ra kimi v蓹 m蓹n ist蓹yirdim

1151
00:49:41,380 --> 00:49:45,010
n枚mr蓹l蓹rini saxlamaq 眉莽眉n, m蓹n
burada bir a艧a臒谋 qoymaq bil蓹r,

1152
00:49:45,010 --> 00:49:48,320
v蓹 m蓹n burada bir yazmaq bil蓹r
v蓹 n枚mr蓹l蓹r y谋臒ma davam

1153
00:49:48,320 --> 00:49:53,180
bir-birin蓹, v蓹 n蓹 眉st
Bu bar蓹d蓹 potensial faydal谋

1154
00:49:53,180 --> 00:49:55,450
n蓹 dolay谋s谋 var ki
Bu data strukturu?

1155
00:49:55,450 --> 00:49:58,045
M蓹n 莽谋xarmaq bil蓹r ki say谋
ilk 蓹n rahat?

1156
00:49:58,045 --> 00:50:00,640

1157
00:50:00,640 --> 00:50:03,030
orada 蓹n son bir put.

1158
00:50:03,030 --> 00:50:06,430
>> Bel蓹 ki, bu biz z蓹ng n蓹 edir
informatika bir LIFO data strukturu.

1159
00:50:06,430 --> 00:50:08,070
, Ilk ke莽蓹n.

1160
00:50:08,070 --> 00:50:10,800
Biz uzun niy蓹 蓹vv蓹l g枚r眉rs眉n眉z
ki, indi faydal谋, lakin ola bil蓹r

1161
00:50:10,800 --> 00:50:12,200
yaln谋z m眉lkiyy蓹t hesab edir.

1162
00:50:12,200 --> 00:50:15,158
Sizc蓹 蓹g蓹r bu c眉r axmaq var
yemekhane bunu nec蓹 haqq谋nda.

1163
00:50:15,158 --> 00:50:17,910
H蓹r d蓹f蓹 onlar t蓹miz qablar v蓹
眉st tam olanlar谋 qoymaq,

1164
00:50:17,910 --> 00:50:22,160
Daha 蓹vv蓹l t蓹miz ola bil蓹r
lakin n蓹tic蓹d蓹 莽ox 莽irkli v蓹 tozlu

1165
00:50:22,160 --> 00:50:24,360
莽ox alt tray
蓹g蓹r he莽 h蓹qiq蓹t蓹n

1166
00:50:24,360 --> 00:50:26,820
ki alt谋na almaq
y谋臒谋n谋, 莽眉nki yaln谋z

1167
00:50:26,820 --> 00:50:29,380
yeni qoyaraq saxlamaq v蓹
眉st t蓹miz olanlar谋.

1168
00:50:29,380 --> 00:50:31,840
eyni 艧ey ba艧 ver蓹 bil蓹r
bir supermarket 莽ox.

1169
00:50:31,840 --> 00:50:35,450
Bir ekran i艧i varsa
s眉d v蓹 h蓹r zaman CVS

1170
00:50:35,450 --> 00:50:37,610
v蓹 ya daha 莽ox s眉d al谋r kim,
Yaln谋z s眉d it蓹l蓹m蓹k

1171
00:50:37,610 --> 00:50:39,880
茝g蓹r siz art谋q geri v蓹
Siz 枚n q蓹d蓹r yeni qoymaq

1172
00:50:39,880 --> 00:50:43,088
b蓹zi olduqca pis olacaq
m蓹lumat strukturu sonunda s眉d,

1173
00:50:43,088 --> 00:50:46,390
Bu alt谋ndak谋 h蓹mi艧蓹 莽眉nki ya
equivalently Bu arxa h蓹mi艧蓹 var.

1174
00:50:46,390 --> 00:50:50,407
>> Amma d眉艧眉nm蓹k 眉莽眉n ba艧qa yol var
m蓹lumat v蓹 m蓹s蓹l蓹n, bu q蓹d蓹r astarl谋.

1175
00:50:50,407 --> 00:50:53,490
茝g蓹r insanlardan biri edirsinizs蓹 ed蓹n b蓹y蓹nir
Apple ma臒aza k蓹narda s谋ralamaq

1176
00:50:53,490 --> 00:50:55,610
zaman yeni bir m蓹hsul g蓹lir
h蓹yata, siz y蓹qin edirik

1177
00:50:55,610 --> 00:50:58,780
bir y谋臒谋n data istifad蓹
strukturu 莽眉nki

1178
00:50:58,780 --> 00:51:03,070
h蓹r k蓹s kim uzaqla艧d谋rma臒a olard谋
up astarl谋 b蓹zi yeni oyuncaq almaq.

1179
00:51:03,070 --> 00:51:06,610
茝ksin蓹, siz y蓹qin ki, istifad蓹 etdiyiniz
m蓹lumat strukturu hans谋

1180
00:51:06,610 --> 00:51:10,050
sisteminin v蓹 ya hans谋
real d眉nyada?

1181
00:51:10,050 --> 00:51:13,493
脺mid edir蓹m ki, bir x蓹tt var, v蓹 ya daha 莽ox
d眉zg眉n v蓹 ya daha 莽ox British kimi, bir s谋ra.

1182
00:51:13,493 --> 00:51:17,700
V蓹 bir s谋ra da 莽谋x谋r
komp眉ter data strukturu,

1183
00:51:17,700 --> 00:51:19,700
lakin bir s谋ra 莽ox var
m眉xt蓹lif m眉lkiyy蓹t.

1184
00:51:19,700 --> 00:51:20,820
Bu LIFO deyil.

1185
00:51:20,820 --> 00:51:21,990
, Ilk ke莽蓹n.

1186
00:51:21,990 --> 00:51:22,800
脺zd蓹n iraq.

1187
00:51:22,800 --> 00:51:24,280
茝v蓹zin蓹 FIFO var.

1188
00:51:24,280 --> 00:51:26,110
Ilk out, da.

1189
00:51:26,110 --> 00:51:27,970
V蓹 yax艧谋 bir 艧ey deyil
蓹dal蓹t namin蓹

1190
00:51:27,970 --> 00:51:30,428
蓹lb蓹tt蓹 zaman astarl谋 edirik
s蓹h蓹r q蓹d蓹r super erk蓹n.

1191
00:51:30,428 --> 00:51:33,400
Siz ilk orada almaq
ilk yax艧谋 almaq ist蓹yir蓹m.

1192
00:51:33,400 --> 00:51:35,880
>> V蓹 bu m蓹lumatlar谋n b眉t眉n
strukturlar谋, s谋ralar谋nda v蓹 baca

1193
00:51:35,880 --> 00:51:39,220
v蓹 ba艧qalar谋 d蓹st蓹l蓹ri, siz 莽谋x谋r
bu kimi bir s谋ra hesab ed蓹 bil蓹r.

1194
00:51:39,220 --> 00:51:41,820
Bu b蓹lk蓹, bir s谋ra edir
sabit 枚l莽眉s眉 4, lakin had

1195
00:51:41,820 --> 00:51:44,990
biz yaln谋z qalamaq bil蓹r c眉r g枚z蓹l
qablar dem蓹k olar ki, sonsuz h眉nd眉r biz 蓹g蓹r

1196
00:51:44,990 --> 00:51:46,780
ki, bir 莽ox qablar v蓹 ya n枚mr蓹l蓹ri var.

1197
00:51:46,780 --> 00:51:48,840
Bel蓹 ki, b蓹lk蓹 ist蓹yirik
Burada ba臒l谋 siyah谋 istifad蓹,

1198
00:51:48,840 --> 00:51:51,800
lakin ticar蓹t-off olacaq
potensial daha 莽ox yadda艧 laz谋md谋r ki,

1199
00:51:51,800 --> 00:51:55,930
bir az daha 莽ox vaxt t蓹l蓹b edir, lakin biz
y谋臒谋n谋 h眉nd眉rl眉y眉 m蓹hdudla艧d谋rmaq deyil,

1200
00:51:55,930 --> 00:51:59,550
莽ox Mather ekran halda kimi
y谋臒谋n谋 枚l莽眉s眉n眉 m蓹hdudla艧d谋ra bil蓹r,

1201
00:51:59,550 --> 00:52:03,117
v蓹 bel蓹 ki, bu dizayn q蓹rarlar谋 v蓹 ya var
n蓹tic蓹d蓹 biz蓹 m枚vcud variantlar谋.

1202
00:52:03,117 --> 00:52:04,950
Bu m蓹lumatlar谋 So
strukturlar谋, biz a莽谋lm谋艧 etdik

1203
00:52:04,950 --> 00:52:09,360
potensial yeni yuxar谋 h蓹ddi g枚r蓹n
n蓹 蓹vv蓹ll蓹r super s眉r蓹tli oldu

1204
00:52:09,360 --> 00:52:11,260
v蓹 biz t蓹rk laz谋md谋r
off bu g眉n v蓹 harada

1205
00:52:11,260 --> 00:52:13,200
biz almaq 眉莽眉n 眉mid laz谋md谋r
脟蓹r艧蓹nb蓹 g眉n眉, biz laz谋md谋r

1206
00:52:13,200 --> 00:52:15,740
Bir m蓹lumatlara baxmaq ba艧lamaq
Biz蓹 axtar谋艧 imkan verir strukturu

1207
00:52:15,740 --> 00:52:18,260
log son vaxt data yenid蓹n.

1208
00:52:18,260 --> 00:52:21,470
V蓹 biz h蓹ft蓹 s谋f谋r, geri, g枚rd眉m ki,
ikili axtar谋艧 v蓹 ya b枚lm蓹k v蓹 bir

1209
00:52:21,470 --> 00:52:22,180
v蓹 f蓹th.

1210
00:52:22,180 --> 00:52:26,240
Bu, h蓹l蓹 geri v蓹 daha yax艧谋 g蓹lir
Bu 莽蓹r艧蓹nb蓹 m眉q蓹dd蓹s grail

1211
00:52:26,240 --> 00:52:29,510
il蓹 g蓹lm蓹k olacaq
h蓹qiq蓹t蓹n 莽al谋艧谋r data structure

1212
00:52:29,510 --> 00:52:32,070
v蓹 ya n蓹z蓹ri-da
daimi vaxt, vasit蓹si

1213
00:52:32,070 --> 00:52:34,760
Bu ne莽蓹 etm蓹z
milyonlarla v蓹 ya 艧eyi milyardlarla

1214
00:52:34,760 --> 00:52:38,470
biz data strukturunda var, o,
Biz蓹 daimi vaxt, b蓹lk蓹 bir add谋m

1215
00:52:38,470 --> 00:52:41,387
v蓹 ya iki add谋mlar v蓹 ya 10 add谋mlar,
lakin add谋mlar daimi n枚mr蓹l蓹ri

1216
00:52:41,387 --> 00:52:42,970
ki, data strukturu vasit蓹sil蓹 axtar谋艧.

1217
00:52:42,970 --> 00:52:46,300
H蓹qiq蓹t蓹n m眉q蓹dd蓹s grail olacaq
lakin 莽蓹r艧蓹nb蓹 g眉n眉 ki, daha 莽ox.

1218
00:52:46,300 --> 00:52:49,045
Sonra ya bax谋n.

1219
00:52:49,045 --> 00:52:53,704
>> [MUSIC PLAYING]

1220
00:52:53,704 --> 00:56:08,448