1
00:00:00,000 --> 00:00:02,395
>> [MUSIC PLAYING]

2
00:00:02,395 --> 00:00:05,750

3
00:00:05,750 --> 00:00:06,506
>> DOUG LLOYD: OK.

4
00:00:06,506 --> 00:00:08,880
Nos cum totis viribus meis servierim numeri integri,
nos cum totis viribus meis servierim characters,

5
00:00:08,880 --> 00:00:11,930
nos totis viribus meis servierim ratibus,
duplis, tangite et bools.

6
00:00:11,930 --> 00:00:14,870
Weve 'pulchellus ultum omnes fatigati
de [tacita] quod typus

7
00:00:14,870 --> 00:00:17,100
praesto sunt cum omnibus nobis.

8
00:00:17,100 --> 00:00:19,430
Nunc volumus facere aliquid.

9
00:00:19,430 --> 00:00:20,210
Quomodo nos facere quod?

10
00:00:20,210 --> 00:00:22,560
Quomodo nos creare diversa genera data?

11
00:00:22,560 --> 00:00:26,130
Possumus ita per aeternitatem.

12
00:00:26,130 --> 00:00:30,180
Ut structurae patitur nos ad uniendis
variabiles de diversus typus

13
00:00:30,180 --> 00:00:34,810
in uno, novam variabilem type,
quo nomine propriam rationem assignare.

14
00:00:34,810 --> 00:00:37,570
Hoc est a vere fortis
esse potest,

15
00:00:37,570 --> 00:00:40,900
quia possumus nunc group
elementa diversis notitia typus

16
00:00:40,900 --> 00:00:43,910
simul quae habent connexionem logica.

17
00:00:43,910 --> 00:00:46,440
Nos agere hoc patriai tempore fui
per vestit modi iudicium

18
00:00:46,440 --> 00:00:49,540
Possumus group variabiles
eiusdem data type

19
00:00:49,540 --> 00:00:53,410
ligneum colligatum in fundamento large unit
est memoriae, nescio an ordinata.

20
00:00:53,410 --> 00:00:56,660
>> Sed non potuit miscere
diversis genera data sunt.

21
00:00:56,660 --> 00:01:02,610
Non possumus, inquam, par numerus integer,
hoc est ingeni ac vestem duplicem omnibus

22
00:01:02,610 --> 00:01:05,330
in eadem re, et
Vocabo non unius generis.

23
00:01:05,330 --> 00:01:08,830
Sed cum structuris aut
saepe relatum ut ut structs,

24
00:01:08,830 --> 00:01:09,585
vere potest.

25
00:01:09,585 --> 00:01:12,370
Ita a structura est sort
quasi a eximius variabilis.

26
00:01:12,370 --> 00:01:16,530
Suus 'a variabilis quod continet
aliae variabiles inside of eam.

27
00:01:16,530 --> 00:01:19,650
Ita hic exemplum
a valde simplex structura.

28
00:01:19,650 --> 00:01:23,380
Haec quaerenda syntax
sicut creare aedificium pro car.

29
00:01:23,380 --> 00:01:25,250
Nunc eamus per syntax hic.

30
00:01:25,250 --> 00:01:27,400
Efficere, ut '
keyword quod indicat

31
00:01:27,400 --> 00:01:30,270
notitia typus quod ego hic novum condiderunt.

32
00:01:30,270 --> 00:01:33,860
Praesertim nomen data type
car efficere futurum, ut videbimus.

33
00:01:33,860 --> 00:01:36,640
Hoc erit jus tip
ad hoc quod compilator

34
00:01:36,640 --> 00:01:42,440
communem variabilium gradiens
esse eiusdem generis

35
00:01:42,440 --> 00:01:44,010
in a minute.

36
00:01:44,010 --> 00:01:46,340
>> Cars sicut nomine consequat.

37
00:01:46,340 --> 00:01:50,590
Item notitia typus hic hodie
esse struct car, car non iustus.

38
00:01:50,590 --> 00:01:53,060
Si autem habes different--
si creare multiplex structs

39
00:01:53,060 --> 00:01:56,950
in eadem debes
et discernere inter struct instrúite.

40
00:01:56,950 --> 00:02:00,140
Ita struct car, ego habeam
instrúite studiosum, exempli gratia,

41
00:02:00,140 --> 00:02:01,790
in eadem progressio.

42
00:02:01,790 --> 00:02:05,980
Intus est crispus adstringit sunt
omnia quae dicuntur agrorum

43
00:02:05,980 --> 00:02:07,954
vel membrorum compages.

44
00:02:07,954 --> 00:02:10,370
Itaque earum rerum quae
quae insunt in raedam?

45
00:02:10,370 --> 00:02:15,270
Atqui solet annus est
forma nominis licentia laminam

46
00:02:15,270 --> 00:02:18,000
an odometer ut ferme habet
aliquot milia passuum ex eo

47
00:02:18,000 --> 00:02:19,225
et maybe an engine magnitudine.

48
00:02:19,225 --> 00:02:23,570
Et sicut tu ipse domine perspicis me miscere
integrorum et characters et duplis.

49
00:02:23,570 --> 00:02:26,420
Illis labra ad internicionem cuncti delendi esse
partem huius notitia typus.

50
00:02:26,420 --> 00:02:29,750
>> Denique ultimum opus facere
hoc non lateat vos paulo semicolon

51
00:02:29,750 --> 00:02:30,290
in fine.

52
00:02:30,290 --> 00:02:34,380
Postquam consummaveris definiens structure,
oportet ponere in fine semicolon.

53
00:02:34,380 --> 00:02:37,325
Suus 'a valde communis syntactical
errasse, quod officii

54
00:02:37,325 --> 00:02:40,200
puta quod utinam
aperta crispus, ue, proxima crispus PAR.

55
00:02:40,200 --> 00:02:42,950
Non ponebat in semicolon
finis functio definitione.

56
00:02:42,950 --> 00:02:46,430
Hoc vultus amo a functio
Definitio autem non,

57
00:02:46,430 --> 00:02:49,653
et sic ibi semicolon
iustum est ut a admonitio

58
00:02:49,653 --> 00:02:52,440
oportet ponere in eo
compilator non vult aliud

59
00:02:52,440 --> 00:02:53,510
cum ignoremus quid agere debeamus.

60
00:02:53,510 --> 00:02:56,160
Suus 'a valde communis error
per accidens ad facere

61
00:02:56,160 --> 00:02:58,570
cum vestri 'primum definiendi structurae.

62
00:02:58,570 --> 00:02:59,500
>> OK.

63
00:02:59,500 --> 00:03:02,824
Ita solemus ordinandam amicitiam nostram structurae
summo nostri progressio

64
00:03:02,824 --> 00:03:05,490
quia erant 'forsit iens
erit utendum pluribus functionum.

65
00:03:05,490 --> 00:03:08,850
Nolumus definiat
instrúite inside of functionem,

66
00:03:08,850 --> 00:03:12,110
quia tunc non possumus in only--
scopum structura realiter

67
00:03:12,110 --> 00:03:13,790
intus existit eoque sollemni perfecto.

68
00:03:13,790 --> 00:03:17,450
Wed 'forsit volo ut definiunt a structura
uti possumus multipliciter muneribus

69
00:03:17,450 --> 00:03:20,670
vel forte in multiple
files qui aliquot colligatas libris

70
00:03:20,670 --> 00:03:22,920
ut nostro duorum iam creans progressio.

71
00:03:22,920 --> 00:03:24,920
Quandoque etiam pro
definiendi structura

72
00:03:24,920 --> 00:03:27,961
ubi summo opere tuo
libram includit et mna tua definit,

73
00:03:27,961 --> 00:03:32,080
puta te direxit in
separate dot h lima, quod vos

74
00:03:32,080 --> 00:03:35,020
libram include teipsum.

75
00:03:35,020 --> 00:03:37,620
>> Est itaque rationibus, sed
nos postulo impetro interius.

76
00:03:37,620 --> 00:03:39,800
Quam operor nos adepto inside of
a structura access

77
00:03:39,800 --> 00:03:43,530
qui sub-variabiles, illis variabiles
quae intra instauraretis

78
00:03:43,530 --> 00:03:46,810
Bene, habemus aliquid vocavit
operator puncto, quod sinit

79
00:03:46,810 --> 00:03:50,990
obvius agri consequat.

80
00:03:50,990 --> 00:03:55,490
Ita exemplo dicunt mihi nuntiata
mea structura notitia type alicubi

81
00:03:55,490 --> 00:03:59,020
summitate Programmate vel in
a dot file h quod Ive 'mina includitur.

82
00:03:59,020 --> 00:04:03,360
Si autem vis ad novum
notitia typus variabilis illius poena possum equidem dicere,

83
00:04:03,360 --> 00:04:06,260
struct car, car, semicolon.

84
00:04:06,260 --> 00:04:11,580
Sicut si vellem dicere int
x, vel cytharedus nomine semicolon.

85
00:04:11,580 --> 00:04:18,100
>> Notitia type hic est struct car,
nomine variabilis currus,

86
00:04:18,100 --> 00:04:23,770
et tunc uti operator in puncto
obvius variis campis currus.

87
00:04:23,770 --> 00:04:27,494
Itaque possum dicere mea car
dot anno MMXI pares.

88
00:04:27,494 --> 00:04:28,410
Quod suus 'perficio teres.

89
00:04:28,410 --> 00:04:34,210
Anno si meministi, ut definitum
integer agri inside of hoc instrúite car

90
00:04:34,210 --> 00:04:35,200
notitia typus.

91
00:04:35,200 --> 00:04:39,966
Sic utcunque variabiles instrúite car data
typus, ut currus, currus possum

92
00:04:39,966 --> 00:04:44,030
dot anno pares et tunc assignare
aliquam integer valor, MMXI.

93
00:04:44,030 --> 00:04:47,290
Mea car dot plate pares CS50.

94
00:04:47,290 --> 00:04:51,180
Meum card dot odometer
pares (L)DV semicolon.

95
00:04:51,180 --> 00:04:53,270
Omnes qui sunt
et quod suus 'perficio teres

96
00:04:53,270 --> 00:04:57,802
quomodo nos obvius
Agros vero structura.

97
00:04:57,802 --> 00:05:00,260
Structurae quamquam non eges
creari in ACERVUS.

98
00:05:00,260 --> 00:05:02,950
Sicut alia variabili
potest dynamically deducendae agroque diuidundo eos.

99
00:05:02,950 --> 00:05:06,309
Si ex ipsis habeatur institutionis
generaret titulos multis aedibus

100
00:05:06,309 --> 00:05:08,100
nescimus quot
nos erant 'iens ut postulo,

101
00:05:08,100 --> 00:05:10,800
ergo necesse est vitaliter
deducendae agroque diuidundo eorum laedatur,

102
00:05:10,800 --> 00:05:12,960
ut nostra progressio currit.

103
00:05:12,960 --> 00:05:16,600
Itaque si obvius ire
agros a structura, in contextu rerum,

104
00:05:16,600 --> 00:05:20,660
Recordetur oportet primo dereference
monstratorem ad structuram,

105
00:05:20,660 --> 00:05:24,810
et semel in nos dereference
monstratorem poterimus obvius agris.

106
00:05:24,810 --> 00:05:26,830
Si tantum a
monstratorem structura,

107
00:05:26,830 --> 00:05:32,120
non possumus dicere monstratorem dot agri
et nomen quod cupis.

108
00:05:32,120 --> 00:05:34,259
Illic 'susicivus gressus dereferencing.

109
00:05:34,259 --> 00:05:36,050
Sic lets 'narro ut
instead of the previous--

110
00:05:36,050 --> 00:05:38,770
sicut priore exemplo,
instead of pronuntians,

111
00:05:38,770 --> 00:05:43,680
in ACERVUS, struct car mei
car, semicolon dico struct car,

112
00:05:43,680 --> 00:05:48,020
stella, a monstratorem a
struct vocavi car car,

113
00:05:48,020 --> 00:05:51,250
pares malloc moli struct car.

114
00:05:51,250 --> 00:05:54,950
Quanta magnitudine nos instar
bytes vestri novus data type suscipit.

115
00:05:54,950 --> 00:05:58,570
Non necesse est utendum
magnitudinem, latitudinem, int aut chari, aut

116
00:05:58,570 --> 00:05:59,715
institutae in notitia typus.

117
00:05:59,715 --> 00:06:02,090
Compilator est smart quod sufficit
ut instar sicco quam multi bytes

118
00:06:02,090 --> 00:06:04,170
OPORTET nova structura.

119
00:06:04,170 --> 00:06:09,610
Ita ego malloc me unit memoriae
instrúite capere vehiculum

120
00:06:09,610 --> 00:06:12,410
et ego adepto a monstratorem back
ad quod obstructionum of memoria,

121
00:06:12,410 --> 00:06:16,090
currus et regula assignatur.

122
00:06:16,090 --> 00:06:18,050
>> Si autem vis ad aditus
agris mea car,

123
00:06:18,050 --> 00:06:22,615
I prima mea car dereference usura
est dereference operator, stella

124
00:06:22,615 --> 00:06:26,620
ut weve videri indicibusque
videos, et tunc ego dereference,

125
00:06:26,620 --> 00:06:32,200
tunc EGO can utor dot operator est
obvius variis campis currus.

126
00:06:32,200 --> 00:06:35,490
Stella mea car dot anno MMXI pares.

127
00:06:35,490 --> 00:06:38,480
Qui haberet effectum
volumus in hoc casu,

128
00:06:38,480 --> 00:06:41,960
quia Ive 'dynamically
partita imperia mea car.

129
00:06:41,960 --> 00:06:43,610
>> Hoc genere molestiae licet iudicium

130
00:06:43,610 --> 00:06:44,818
Est ergo processus gradus II.

131
00:06:44,818 --> 00:06:47,460
Nunc propositum nobis est dereference--
habemus a stella operator,

132
00:06:47,460 --> 00:06:48,910
et habent dot operator.

133
00:06:48,910 --> 00:06:51,660
Et ne exspectare propter
C programmers diligere breviores vias

134
00:06:51,660 --> 00:06:53,740
facere est
hostis breviore via ut facias hanc rem.

135
00:06:53,740 --> 00:06:57,790
Ibi est sagitta porro alius operator dicitur,
hoc quo multus facillimus.

136
00:06:57,790 --> 00:07:00,750
Via est sagitta operatur
prius dereferences

137
00:07:00,750 --> 00:07:03,560
monstratorem a sinistris
latus ab ipso operante,

138
00:07:03,560 --> 00:07:06,620
deinde, postquam dereferenced
monstratorem a sinistris,

139
00:07:06,620 --> 00:07:09,620
it accesses agri antequam orietur in ius.

140
00:07:09,620 --> 00:07:14,170
Itaque prius habuimus huiusmodi
stella mea car dot omnia ista,

141
00:07:14,170 --> 00:07:15,880
Sicut erat multus ibi gererentur.

142
00:07:15,880 --> 00:07:22,040
Sed quid facere possumus instead est Teraho
sagitta mea car anno MMXI pares.

143
00:07:22,040 --> 00:07:23,580
>> Quid hic aguntur?

144
00:07:23,580 --> 00:07:25,720
Primo quidem, Im 'dereferencing mea car.

145
00:07:25,720 --> 00:07:27,810
Quod iterum hic est monstratorem.

146
00:07:27,810 --> 00:07:31,270
Deinde, postquam
dereferenced mea car,

147
00:07:31,270 --> 00:07:35,130
can obvius agris
anno argentum et odometer

148
00:07:35,130 --> 00:07:40,020
sicut prius ante potuerunt
stella dereference used car,

149
00:07:40,020 --> 00:07:42,020
aditus et dot agro.

150
00:07:42,020 --> 00:07:45,290
Itaque aedificiis non possunt habere, non
potest habere indicibusque ad Ordinis structuras pertinent,

151
00:07:45,290 --> 00:07:48,360
et non habetis vias access
agros eorum laedatur,

152
00:07:48,360 --> 00:07:52,600
vtrum habes indicibusque ad
vel ipsas variabiles.

153
00:07:52,600 --> 00:07:57,640
Dot vel sagitta, fretus
quam variabilis scripsimus declaratus.

154
00:07:57,640 --> 00:08:00,510
Lloyd doug sum hoc CS50.

155
00:08:00,510 --> 00:08:01,975