1
00:00:00,000 --> 00:00:02,480
>> [MUSIC PLAYING]

2
00:00:02,480 --> 00:00:06,460

3
00:00:06,460 --> 00:00:09,350
>> DOUG LLOYD: Recte, ita scriptor
loqui de imperio versus argumenta.

4
00:00:09,350 --> 00:00:11,800
Ita fere in cursu tantum
multo omnes tui progressio

5
00:00:11,800 --> 00:00:16,360
forsit started
sicut Teraho int main inane.

6
00:00:16,360 --> 00:00:18,310
Nos Ive 'been colligendis
user input, si opus sit

7
00:00:18,310 --> 00:00:21,080
in progressio, qualis
Mario progressio, exempli gratia,

8
00:00:21,080 --> 00:00:22,990
per in-program suggerit.

9
00:00:22,990 --> 00:00:25,190
Non opus ad temperare
declaratione legis aequoris,

10
00:00:25,190 --> 00:00:30,684
quia pro inside of main nos
dicere, ut tu appellas int.

11
00:00:30,684 --> 00:00:32,350
Quantus pyramidis esse vis?

12
00:00:32,350 --> 00:00:34,455
Vel ut vocant
float-- quantum mutatus

13
00:00:34,455 --> 00:00:36,400
ego ad output ACL

14
00:00:36,400 --> 00:00:38,630
>> Est et alius modus tamen,
et si velimus nostrum users

15
00:00:38,630 --> 00:00:40,580
ut possitis providere
data nostris progressio

16
00:00:40,580 --> 00:00:43,320
at runtime instead of dum
progressio est currere,

17
00:00:43,320 --> 00:00:45,910
sed a subtilissima distinctione commendans
quandoque perplurimum utili,

18
00:00:45,910 --> 00:00:48,120
opus novum declarandi vi depulsuros esse.

19
00:00:48,120 --> 00:00:53,320
Non possumus si velimus uti vacuum int
comparare alias data linea iubente

20
00:00:53,320 --> 00:00:57,540
cum user habet rationem,
hinc imperio-line argumenta.

21
00:00:57,540 --> 00:00:59,810
>> Ad quae petenda imperio-line
argumenta a user,

22
00:00:59,810 --> 00:01:03,140
mutare declarationem
spectare Teraho int main

23
00:01:03,140 --> 00:01:10,450
main, aperi paren, int argc, comma,
chorda argv, quadratum brackets,

24
00:01:10,450 --> 00:01:12,670
tunc patefacio crispus ue.

25
00:01:12,670 --> 00:01:14,415
Quid istuc est?

26
00:01:14,415 --> 00:01:19,410
Bene nos transimus duobus parametri,
aut argumentorum, aut ad main inputs.

27
00:01:19,410 --> 00:01:23,800
Una, an integer vocavit
argc, altera est?

28
00:01:23,800 --> 00:01:26,430

29
00:01:26,430 --> 00:01:29,640
Suus 'chordae variae iudicium

30
00:01:29,640 --> 00:01:31,140
Videmus quadratum bracket notatio.

31
00:01:31,140 --> 00:01:32,181
Praesent aciem patenti.

32
00:01:32,181 --> 00:01:35,110
Non singula filo
suus aciem patenti.

33
00:01:35,110 --> 00:01:39,640
Et haec duo argumenta, argc et argv,
enable vos scire qualem data usoris

34
00:01:39,640 --> 00:01:42,912
aciem instruxit iubente
et quantis

35
00:01:42,912 --> 00:01:44,120
dum imperio-line.

36
00:01:44,120 --> 00:01:46,570
Pulchellus utensilium operemini.

37
00:01:46,570 --> 00:01:50,310
>> Argc pro argumento comitis,
et sciendum per longissimos viae circuitus

38
00:01:50,310 --> 00:01:52,600
quod vos could dico argc
quodcumque volueritis petetis it.

39
00:01:52,600 --> 00:01:54,710
Possis dicere argv quodcumque voluit.

40
00:01:54,710 --> 00:01:58,740
Hi iusti sunt nominibus
quibus utimur ad argumentum per vicem comitis,

41
00:01:58,740 --> 00:02:00,907
et videbimus in altero
argumentum vector, argv.

42
00:02:00,907 --> 00:02:03,698
Sed non dicere
argc et argv si non vis,

43
00:02:03,698 --> 00:02:05,570
sed convenientia, id quod agimus.

44
00:02:05,570 --> 00:02:07,500
>> Ita nihilominus, argc, argumenti narrationem.

45
00:02:07,500 --> 00:02:11,569
Suus 'typus integer variabilis et sicut
docuit ut, si duae res

46
00:02:11,569 --> 00:02:13,860
'iens ut reperio
de quid isti typed

47
00:02:13,860 --> 00:02:16,070
et quantum effercio in
user typed, argc est

48
00:02:16,070 --> 00:02:18,559
dicturam nobis quantum
ritatem quoque esuriat user typed.

49
00:02:18,559 --> 00:02:20,850
Sic dat numerum
imperio-line argumenta user

50
00:02:20,850 --> 00:02:22,470
typed cum progressio virtutis fama.

51
00:02:22,470 --> 00:02:25,780
Sic si vestri progressio est
run dot Icircumflex avarus,

52
00:02:25,780 --> 00:02:28,670
et intus avidas
PROGRAMMA principale munus tuum

53
00:02:28,670 --> 00:02:34,800
habet declarationem int main int argc,
chorda argv quadratum brackets, tunc

54
00:02:34,800 --> 00:02:37,950
tunc argc Compar sit laudatio.

55
00:02:37,950 --> 00:02:40,200
Nunc intendat consecuti sumus non deficimus
enumerat, quam multa

56
00:02:40,200 --> 00:02:42,590
user typed post progressio nomen.

57
00:02:42,590 --> 00:02:46,710
Progressio nomen ipsum numerat
secundum imperium linea argumentum.

58
00:02:46,710 --> 00:02:51,770
>> Ita dot Icircumflex avarus, in
Ita argc Compar sit laudatio.

59
00:02:51,770 --> 00:02:57,910
Si user typed VULNUS avarus MXXIV CS50
iussu linea, tunc argc

60
00:02:57,910 --> 00:02:59,520
quod tria essent.

61
00:02:59,520 --> 00:03:03,720
Scimus quia via
quod discrimen inter chordas

62
00:03:03,720 --> 00:03:06,030
deprehenditur utrum
spatium est vel tab

63
00:03:06,030 --> 00:03:08,230
vel aliquid tale inter eos.

64
00:03:08,230 --> 00:03:13,860
Igitur cuiuslibet loci alba, sic dicta,
typed iussu linea inter valores

65
00:03:13,860 --> 00:03:15,720
indicat quot sint.

66
00:03:15,720 --> 00:03:24,040
Ita dot Icircumflex avarus spatium spatio MXXIV
CS50, argc, tunc tres.

67
00:03:24,040 --> 00:03:26,600
>> Argv est argumentum vector.

68
00:03:26,600 --> 00:03:29,240
Vector via iusta est
Item aliud verbum pro an array,

69
00:03:29,240 --> 00:03:31,510
et hoc est an array
qui recondit tangite.

70
00:03:31,510 --> 00:03:35,540
Unum per filum, quod est
pulsum tangite quod user actu

71
00:03:35,540 --> 00:03:39,230
typed iussu-line
cum progressio ignominiosa exercuere.

72
00:03:39,230 --> 00:03:40,990
Sed, sicut est dies ista
cum aliqua arraiatio, si

73
00:03:40,990 --> 00:03:44,380
discretionis nostre recolimus discussionem
vestit, primum elementum argv

74
00:03:44,380 --> 00:03:49,150
semper repertum iri
at quadratum argv bracket nulla.

75
00:03:49,150 --> 00:03:51,800
Quod est primum index
de argv array.

76
00:03:51,800 --> 00:03:55,720
Ut will-- immo apud te
nomine semper progressio,

77
00:03:55,720 --> 00:03:59,730
semper sitos esse in
argv quadratum bracket nulla.

78
00:03:59,730 --> 00:04:08,590
>> Ultimum elementum argv dubie reperitur
at argv quadratum brackets argc minus unum.

79
00:04:08,590 --> 00:04:10,300
Quid tu vides?

80
00:04:10,300 --> 00:04:14,180
Mementote qualiter salvi elementa plura
esse in hoc ordinata.

81
00:04:14,180 --> 00:04:16,660
Bene, suus 'scimus that--
argc numerum elementorum.

82
00:04:16,660 --> 00:04:21,279
Si user typed tria at
imperium hastatis, argc tria.

83
00:04:21,279 --> 00:04:27,070
Sed quia c cum opus sumus
per vestit cuiuslibet elementi acie

84
00:04:27,070 --> 00:04:30,190
vel potius eorundem ordinum indices,
in aciem, at tincidunt nulla.

85
00:04:30,190 --> 00:04:34,000
Si tria elementa in
array habemus elementum at argv nulla,

86
00:04:34,000 --> 00:04:37,930
elementum at argv unum,
et elementum at argv duo.

87
00:04:37,930 --> 00:04:41,700
Non est elementum at argv
tribus, tribus variae magnitudinis.

88
00:04:41,700 --> 00:04:43,990
Sic ut 'quare in novissimo
elementum argv potest semper

89
00:04:43,990 --> 00:04:49,510
at inveniri argv quadratum
brackets argc minus unum.

90
00:04:49,510 --> 00:04:52,420
>> Sic lets assumere user exsequitur
avari progressio ut follows--

91
00:04:52,420 --> 00:04:57,970
si genus imperii apicem versus
exacuere vade avarus spatium spatio MXXIV CS50,

92
00:04:57,970 --> 00:05:00,720
et quacumque de causa nos Ive '
iam paratum nostri turpe progressio

93
00:05:00,720 --> 00:05:04,050
scire et operari cum istis
imperio-line argumenta.

94
00:05:04,050 --> 00:05:07,030
Sed non prius, cum opus
avari eam rem

95
00:05:07,030 --> 00:05:09,660
sed lets 'narro weve nunc modified
ita quod facere processus

96
00:05:09,660 --> 00:05:11,480
aliquo modo imperium versus argumenta.

97
00:05:11,480 --> 00:05:15,720
In hoc casu, argv nulla
VULNUS dot est turpe.

98
00:05:15,720 --> 00:05:17,042
Quid argv unum?

99
00:05:17,042 --> 00:05:19,030
Bene, suus 'MXXIV iudicium

100
00:05:19,030 --> 00:05:22,620
MXXIV Est autem hic '
vere maximus distinction--

101
00:05:22,620 --> 00:05:26,410
recordamini notitia typus of argv?

102
00:05:26,410 --> 00:05:31,020
>> Reponit tangite, ius?

103
00:05:31,020 --> 00:05:34,140
Sed is vultus amo MXXIV
est integer valorem.

104
00:05:34,140 --> 00:05:36,530
Hoc est vere maximus
distinctio et actualiter

105
00:05:36,530 --> 00:05:40,200
iens ut aliquid quod fieri
congressuri in later problems.

106
00:05:40,200 --> 00:05:43,770
Omnia in argv est
recondita ut si rumpat quis filum.

107
00:05:43,770 --> 00:05:48,775
Sic argv uno argumenta sunt
filum unum nulla, duo, quattuor,

108
00:05:48,775 --> 00:05:50,275
ex illis quattuor hac figura.

109
00:05:50,275 --> 00:05:53,870
Praesent ut si user typed
unum nulla, duo, quattuor

110
00:05:53,870 --> 00:05:56,680
ut singulis litteris seu characterum signa.

111
00:05:56,680 --> 00:06:00,730
Non MXXIV integer,
et sic non possunt directe

112
00:06:00,730 --> 00:06:11,580
operari cum illud dicens int 1,000, vel
potius int x XXIV minus una argv pares.

113
00:06:11,580 --> 00:06:15,550
>> Intuitively, quod putes
ut, OK, bene suus '1,024 minus XXIV,

114
00:06:15,550 --> 00:06:17,920
tam x aequalis 1,000.

115
00:06:17,920 --> 00:06:22,020
Atqui, quod non ita
quia argv est chorda.

116
00:06:22,020 --> 00:06:23,940
Nam neque chorda MXXIV.

117
00:06:23,940 --> 00:06:28,739
Est autem officium, quod sit
usus convertere chorda integri.

118
00:06:28,739 --> 00:06:30,780
Quia non utendo eam corrupturi
Nunc sed certe Zamyla

119
00:06:30,780 --> 00:06:34,380
In sit amet quam dixero tibi
walkthrough in futuro problem.

120
00:06:34,380 --> 00:06:36,390
Sed vos can quoque reperio
problems like-- excusationem

121
00:06:36,390 --> 00:06:39,921
me vel muneribus quibuslibet fungi qui suscipiunt,
hoc facite in meam reference L,

122
00:06:39,921 --> 00:06:42,462
Si quantum ad ducem
vos can reperio a functio,

123
00:06:42,462 --> 00:06:43,820
faciet enim conversio.

124
00:06:43,820 --> 00:06:45,980
Sed iterum, in walkthrough
pro futuro problema,

125
00:06:45,980 --> 00:06:48,290
Zamyla beata erit
Dico vobis quid functio

126
00:06:48,290 --> 00:06:53,280
est quod converterit
MXXIV MXXIV integer ad nervo.

127
00:06:53,280 --> 00:06:54,560
>> Omni jure, ita movetur.

128
00:06:54,560 --> 00:06:56,726
Weve obduxisset argv nulla,
weve 'occulto argv unum.

129
00:06:56,726 --> 00:06:58,000
Quid in argv duo?

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

131
00:06:58,620 --> 00:07:01,350
Quod suus 'forsit unus
pulchellus sui explicationibus.

132
00:07:01,350 --> 00:07:02,950
Quid in argv tres?

133
00:07:02,950 --> 00:07:04,970
Et iterum, non scire iudicium

134
00:07:04,970 --> 00:07:08,060
Habemus aciem magnitudinis trium
quod quot elementa utentis

135
00:07:08,060 --> 00:07:11,610
typed iussu linea,
ita si ierimus in argv tribus,

136
00:07:11,610 --> 00:07:14,660
sumus iam quis supergrediatur
terminos civitatis nostrae aciem.

137
00:07:14,660 --> 00:07:18,570
Dimittam compilator agamus,
illic 'haud intuitive forsit per is,

138
00:07:18,570 --> 00:07:22,890
sed etiam secundum quid agatur
fieri non sentiat.

139
00:07:22,890 --> 00:07:25,380
Non dependet ab eo quod est
at ubi sita memoria

140
00:07:25,380 --> 00:07:28,060
argv tres futurus sit.

141
00:07:28,060 --> 00:07:30,716
Et ita possemus terminus sursum
questus impune.

142
00:07:30,716 --> 00:07:33,840
Non magis quam praesertim
vos erant 'opus cum argv ut opponitur

143
00:07:33,840 --> 00:07:35,548
cum quo alio communicet array
quod in nostri progressio,

144
00:07:35,548 --> 00:07:38,660
erant 'forsit iens pati
a segmentation culpa. Similiter alibi apud eundem,

145
00:07:38,660 --> 00:07:42,756
Certi non excedit
tui vestit, praesertim argv,

146
00:07:42,756 --> 00:07:47,170
dedit eminentia
momentum in vestri progressio.

147
00:07:47,170 --> 00:07:48,100
>> Im Doug Lloyd.

148
00:07:48,100 --> 00:07:50,170
Hoc est CS50.

149
00:07:50,170 --> 00:07:51,457