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>> [MUSIC PLAYING]

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>> DOUG LLOYD: B眉t眉n sa臒, bel蓹 ed蓹k
command-line d蓹lill蓹ri haqq谋nda dan谋艧maq.

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Bel蓹 ki, bu g眉n蓹 q蓹d蓹r 蓹lb蓹tt蓹 olduqca
proqramlar谋 莽ox b眉t眉n

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y蓹qin ki, ba艧lay谋b
艧eyl蓹rdir int 蓹sas bo艧luq kimi.

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Biz toplanmas谋 oldu臒unuz
istifad蓹莽i giri艧i biz bunu laz谋md谋r, 蓹g蓹r

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kimi proqramlar da,
Mario proqram, m蓹s蓹l蓹n,

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in-proqram ister t蓹r蓹find蓹n.

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Biz d蓹yi艧dirm蓹k 眉莽眉n laz谋m deyil
蓹sas b蓹yannam蓹,

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莽眉nki 蓹v蓹zin蓹 蓹sas biz daxilind蓹
yaln谋z int almaq 眉莽眉n z蓹ng ed蓹 bil蓹r, deyirl蓹r.

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Nec蓹 b枚y眉k piramida olmaq ist蓹yirsiniz?

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V蓹 ya almaq 眉莽眉n z蓹ng ed蓹 bil蓹r
n蓹 q蓹d蓹r d蓹yi艧iklik float

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istifad蓹莽i I 莽谋x谋艧 laz谋md谋r?

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>> Ba艧qa bir yol olsa da var
v蓹 biz istifad蓹莽il蓹r ist蓹yirsinizs蓹

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t蓹min etm蓹k 眉莽眉n
Bizim proqram data

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yerin蓹 is蓹 i艧 zaman谋
proqram, 莽al谋艧an

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bir inc蓹 f蓹rq, lakin
b蓹z蓹n bir 莽ox faydal谋 bir,

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biz 蓹sas elan yeni bir forma laz谋md谋r.

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Biz ist蓹yirsinizs蓹 int 蓹sas etibars谋z istifad蓹 ed蓹 bilm蓹z
command-line dig蓹r m蓹lumatlar谋 toplamaq

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istifad蓹莽i proqram 莽al谋艧谋r zaman,
bel蓹likl蓹 command-line d蓹lill蓹ri.

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>> Bu skript sat谋r谋 toplamaq
istifad蓹莽i d蓹lill蓹ri,

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Sizin b蓹yannam蓹 d蓹yi艧蓹
艧eyl蓹rdir int kimi baxmaq 眉莽眉n 蓹sas

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蓹sas, a莽谋q paren, int argc, verg眉l,
string argv, kvadrat m枚t蓹riz蓹d蓹,

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v蓹 sonra buruq brace a莽谋n.

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Bel蓹 ki, art谋q n蓹 dem蓹kdir?

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Yax艧谋, biz iki parametrl蓹ri ke莽蓹n,
蓹sas v蓹 ya d蓹lill蓹ri v蓹 ya giri艧.

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One, bir tam adl谋
argc v蓹 dig蓹r n蓹dir?

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Bu h眉ququ, strings bir s谋ra var?

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Biz bu kvadrat m枚t蓹riz蓹 notation g枚rm蓹k.

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Bu strings bir s谋ra var.

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Bu f蓹rdi simli deyil,
Bu strings bir s谋ra var.

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V蓹 bu iki d蓹lill蓹ri, argc v蓹 argv,
n蓹 data istifad蓹莽i bilm蓹k imkan

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command-line t蓹min edib
v蓹 nec蓹 bir 莽ox 艧eyi onlar

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command-line t蓹min.

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Il蓹 i艧l蓹m蓹k 眉莽眉n olduqca faydal谋 艧eyl蓹r.

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>> Argc, d蓹lil say谋 t蓹r蓹fdard谋r
Siz yolu il蓹, bilm蓹lidir,

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Siz argc z蓹ng ed蓹 bil蓹r ki,
Siz ist蓹diyiniz h蓹r hans谋.

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Siz ist蓹yirdi n蓹 argv z蓹ng ed蓹 bil蓹rsiniz.

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Bu yaln谋z 艧蓹rti adlar谋
biz Odur arqument say谋 眉莽眉n istifad蓹 ki,

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v蓹 biz ikinci g枚r蓹c蓹ksiniz kimi,
d蓹lil vektor, argv.

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Amma onlara z蓹ng yoxdur
Siz ist蓹mirsinizs蓹 argc v蓹 argv,

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lakin 艧蓹rti ki, biz n蓹 var.

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>> Bel蓹 ki, h蓹r halda, argc, d蓹lil count.

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Bu tam tipli d蓹yi艧蓹n v蓹, bel蓹 ki,
biz iki 艧eyi varsa, g枚zl蓹m蓹k bil蓹r

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biz tapmaq olacaq ki,
bu tipli n蓹

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v蓹 n蓹 q蓹d蓹r stuff
istifad蓹莽i tipli, argc var

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n蓹 q蓹d蓹r biz蓹 davam
莽ap istifad蓹莽i m枚vzusu.

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Bu bir s谋ra verir, bel蓹 ki,
command-line d蓹lill蓹ri istifad蓹莽i

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proqram icra edildiyi yaz谋lm谋艧.

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Proqram Bel蓹 ki
dot g枚rm蓹mi艧 do臒ramaq run,

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v蓹 g枚rm蓹mi艧 daxilind蓹
Sizin 蓹sas funksiyas谋 proqram

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b蓹yannam蓹 int 蓹sas int argc var,
string, sonra kvadrat m枚t蓹riz蓹 argv

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bu halda argc biridir.

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陌ndi biz bunu qeyd
nec蓹 bir 莽ox 艧eyi saymaq

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istifad蓹莽i proqram ad谋na yaz谋lm谋艧.

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proqram ad谋 枚z眉 sayar
bir command-line arqument kimi.

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>> Bel蓹 ki, g枚rm蓹mi艧 do臒ramaq dot
bu halda, argc biridir.

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Istifad蓹莽i 莽izgi g枚rm蓹mi艧 1024 CS50 tipli 蓹g蓹r
bu halda argc command-line, at

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眉莽 olard谋.

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V蓹 biz yol, 莽眉nki bu bilirik
ki strings aras谋nda b枚lg眉s眉

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olub a艧kar
bir yer, v蓹 ya ni艧an谋 var,

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v蓹 ya onlar谋n aras谋nda kimi bir 艧ey.

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Bel蓹 ki, a臒 kosmik h蓹r hans谋 m蓹bl蓹臒i, s枚zd蓹,
d蓹y蓹rl蓹ri aras谋ndak谋 command-line tipli

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Orada n蓹 q蓹d蓹r 莽ox g枚st蓹rir.

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Bel蓹 ki, g枚rm蓹mi艧 Space 1024 yer do臒ramaq n枚qt蓹
CS50, argc, bu halda, 眉莽 edir.

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>> Argv d蓹lil vektor edir.

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Vector, yeri g蓹lmi艧k蓹n, yaln谋z
bir s谋ra 眉莽眉n ba艧qa bir s枚z,

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bu bir s谋ra edir
ki strings saklar.

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Element ba艧谋na bir string,
strings ki, istifad蓹莽i h蓹qiq蓹t蓹n

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command-line tipli
Proqram edam edildi zaman.

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陌ndi kimi bel蓹dir
H蓹r hans谋 bir s谋ra il蓹, 蓹g蓹r

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bizim m眉zakir蓹 geri
Diziler, argv ilk element

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h蓹mi艧蓹 蓹ld蓹 etm蓹k niyy蓹tind蓹dir
argv kvadrat m枚t蓹riz蓹 s谋f谋r.

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Bu ilk index var
argv array.

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Bel蓹 ki, will-- v蓹 蓹slind蓹, bu irad蓹
h蓹mi艧蓹 proqram谋 ad谋,

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h蓹mi艧蓹 yerl蓹艧蓹n olunacaq
argv kvadrat m枚t蓹riz蓹 s谋f谋r.

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>> argv son element h蓹mi艧蓹 g枚r眉nt眉l蓹rini
argv kvadrat m枚t蓹riz蓹d蓹 argc minus biri.

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Niy蓹 g枚r眉rs眉n眉z?

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Ne莽蓹 elementl蓹ri saxla
Bu array var.

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B蓹li, biz bu that-- bilirik
elementl蓹rin argc n枚mr蓹si.

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Istifad蓹莽i 眉莽 艧ey tipli 蓹g蓹r
command-line, argc 眉莽 edir.

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Amma c, biz 莽al谋艧谋r谋q
Diziler il蓹, serial谋n h蓹r element,

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bir v蓹 ya daha 莽ox g枚st蓹ricil蓹ri
array, s谋f谋r da ba艧lan谋r.

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Biz 眉莽 elementl蓹ri varsa, bizim
array, biz argv s谋f谋r bir element var

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argv bir bir element,
argv iki v蓹 element.

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Argv he莽 bir element yoxdur
眉莽, v蓹 枚l莽眉s眉 眉莽 bir s谋ra.

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Bel蓹 ki, niy蓹 son var
argv element h蓹mi艧蓹 bil蓹rsiniz

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argv meydan谋nda 蓹ld蓹 etm蓹k
M枚t蓹riz蓹d蓹 argc minus biridir.

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>> Bel蓹 ki, istifad蓹莽i icra ed蓹c蓹yi g眉man ed蓹k
Bu a艧a臒谋dak谋 kimi g枚rm蓹mi艧 proqram

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onlar command-line dot yaz谋n 蓹g蓹r
, g枚rm蓹mi艧 space 1024 space CS50 do臒ramaq

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v蓹 h蓹r hans谋 s蓹b蓹bd蓹n biz
art谋q bizim g枚rm蓹mi艧 proqram haz谋rlay谋b

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bilirik v蓹 bu il蓹 i艧l蓹m蓹k 眉莽眉n
command-line d蓹lill蓹ri.

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Biz i艧l蓹y蓹rk蓹n biz 蓹vv蓹ll蓹r verm蓹di
g枚rm蓹mi艧 problem bu,

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lakin indi redakt蓹 etdik dey蓹k
Bu ki, biz prosesi n蓹

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bir 艧蓹kild蓹 command-line d蓹lill蓹ri.

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Bu halda, s谋f谋r argv
dot 莽izgi g枚rm蓹mi艧 edir.

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Argv bir n蓹dir?

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B蓹li, bu, sa臒 1024 var?

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Bu 1024, lakin burada bir var
h蓹qiq蓹t蓹n 蓹h蓹miyy蓹tli distinction--

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Siz argv data n枚v眉 xat谋rlay谋rs谋n谋z?

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>> Bu do臒ru, strings ma臒azalar?

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Amma bu 1024 kimi g枚r眉n眉r
tam d蓹y蓹ri.

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Bu h蓹qiq蓹t蓹n vacibdir
f蓹rq, v蓹 蓹slind蓹

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bir 艧ey olmaq 眉莽眉n gedir ki,
sonra probleml蓹ri qar艧谋la艧a bil蓹r.

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Argv h蓹r 艧ey
bir string kimi saxlan谋l谋r.

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Bel蓹 argv bir m蓹zmunu var
string bir s谋f谋r, iki, d枚rd,

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bu d枚rd simvol ibar蓹t.

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Bu istifad蓹莽i yazd谋臒谋n谋z kimi deyil
bir s谋f谋r, iki, d枚rd

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f蓹rdi m蓹ktublar v蓹 ya simvol kimi.

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Bu, tam 1024 deyil
v蓹 siz birba艧a bilm蓹z

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int 1000 dey蓹r蓹k bu i艧, v蓹 ya
daha int x argv bir minus 24 b蓹rab蓹rdir.

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>> Daxil蓹n, siz ki, hesab bil蓹r
OK, yax艧谋, bu, 1024 minus 24 var, kimi

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00:06:15,550 --> 00:06:17,920
bel蓹 x 1000 b蓹rab蓹rdir.

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00:06:17,920 --> 00:06:22,020
Amma 蓹slind蓹, ki, bel蓹 deyil
argv bir string 莽眉nki.

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string 1024.

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00:06:23,940 --> 00:06:28,739
陌ndi ola bil蓹r ki, bir funksiyas谋 var
integers 眉莽眉n strings 莽evirm蓹k 眉莽眉n istifad蓹 olunur.

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00:06:28,739 --> 00:06:30,780
M蓹n sizin 眉莽眉n korlamaq deyil
陌ndi, amma Zamyla 蓹min蓹m

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00:06:30,780 --> 00:06:34,380
bu bar蓹d蓹 siz蓹 xo艧b蓹xt olacaq
g蓹l蓹c蓹k problem 眉莽眉n g枚zden ge莽irmek.

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00:06:34,380 --> 00:06:36,390
Amma siz d蓹 tapa bil蓹rsiniz
probleml蓹ri like-- b蓹han蓹

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M蓹n蓹 funksiyalar谋 ki, ki,
yaln谋z 50 bunu,

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Siz kitab莽as谋 getm蓹k 蓹g蓹r
Bir funksiyas谋 tapa bil蓹rsiniz ki,

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00:06:42,462 --> 00:06:43,820
Sizin 眉莽眉n bu d枚n眉艧眉m ed蓹c蓹k.

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00:06:43,820 --> 00:06:45,980
Ancaq yen蓹 d蓹, g枚zden ge莽irmek
g蓹l蓹c蓹k problem,

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00:06:45,980 --> 00:06:48,290
Zamyla 眉莽眉n xo艧b蓹xt olacaq
n蓹 funksiyas谋 siz蓹 x蓹b蓹r

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00:06:48,290 --> 00:06:53,280
bu 莽evirm蓹k olacaq
tam 1024 string 1024.

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00:06:53,280 --> 00:06:54,560
>> B眉t眉n h眉quqlar, bel蓹 h蓹r蓹k蓹t.

128
00:06:54,560 --> 00:06:56,726
Biz argv s谋f谋r 蓹hat蓹 etdik
biz bir argv 蓹hat蓹 etdik.

129
00:06:56,726 --> 00:06:58,000
N蓹 argv iki var?

130
00:06:58,000 --> 00:06:58,620
CS50.

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00:06:58,620 --> 00:07:01,350
Ki, bir y蓹qin
olduqca 枚z眉n眉 izahl谋 edir.

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00:07:01,350 --> 00:07:02,950
N蓹 argv 眉莽 var?

133
00:07:02,950 --> 00:07:04,970
Yax艧谋 daha, biz h蓹qiq蓹t蓹n bilmir蓹m, sa臒?

134
00:07:04,970 --> 00:07:08,060
Biz, 枚l莽眉s眉 眉莽 bir s谋ra var
ki, ne莽蓹 elementl蓹ri istifad蓹莽i

135
00:07:08,060 --> 00:07:11,610
command-line tipli,
bel蓹 ki, biz 眉莽 argv getm蓹k 蓹g蓹r,

136
00:07:11,610 --> 00:07:14,660
biz indi overstepping edirik
bizim serial谋n h蓹ddi.

137
00:07:14,660 --> 00:07:18,570
compiler, biz蓹 bunu bildirin ed蓹c蓹k
he莽 bir intuitiv problem il蓹 var,

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00:07:18,570 --> 00:07:22,890
lakin h蓹qiq蓹t蓹n bax谋m谋ndan n蓹 olacaq
ba艧, biz, h蓹qiq蓹t蓹n bilmir蓹m.

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00:07:22,890 --> 00:07:25,380
Bu n蓹 as谋l谋d谋r
yadda艧 harada yerl蓹艧ir

140
00:07:25,380 --> 00:07:28,060
argv 眉莽 olmas谋 g枚zl蓹nilir.

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00:07:28,060 --> 00:07:30,716
V蓹 bel蓹 ki, biz ba艧a bil蓹r
眉z q蓹zas谋z b蓹las谋z pulsuz 蓹ld蓹.

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00:07:30,716 --> 00:07:33,840
Daha 莽ox he莽-d蓹n, x眉sus蓹n d蓹
f蓹rqli olaraq argv 莽al谋艧谋r谋q

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00:07:33,840 --> 00:07:35,548
h蓹r hans谋 dig蓹r array
ki, bizim proqram var

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00:07:35,548 --> 00:07:38,660
biz y蓹qin ki, 蓹ziyy蓹t olacaq
bir seqmentasiya g眉nah. Bel蓹 ki, yen蓹,

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h蓹ddini a艧mas谋ndan 蓹min ola
Sizin seriallar谋n, x眉susil蓹 argv,

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onun y眉ks蓹k d蓹r蓹c蓹si verilir
Sizin proqramlar谋 蓹h蓹miyy蓹ti.

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>> M蓹n Doug Lloyd edir蓹m.

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Bu CS50 edir.

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