1 00:00:00,000 --> 00:00:00,380 2 00:00:00,380 --> 00:00:04,050 >> SPEAKER 1: Ejja jikteb programm li iqajjem l-utent għal int, integer, 3 00:00:04,050 --> 00:00:06,520 u mbagħad ma daqsxejn ta 'analiżi fuqha, tgħidilhom kemm jekk 4 00:00:06,520 --> 00:00:08,109 huwa pożittiv jew negattiv. 5 00:00:08,109 --> 00:00:11,880 Biex tagħmel dan, ejja pjan dwar kif jużaw l- getint funzjoni fil-Librerija CS50, 6 00:00:11,880 --> 00:00:14,870 li għalih jien ser bżonn biex jinkludu cs50.h. 7 00:00:14,870 --> 00:00:17,520 Jien ser jantiċipaw jixtiequ li jistampaw xi affarijiet li 8 00:00:17,520 --> 00:00:18,310 l-iskrin kif ukoll. 9 00:00:18,310 --> 00:00:22,240 Hekk jien wkoll ser jinkludu standardio.h. 10 00:00:22,240 --> 00:00:24,170 >> U jien issa ser tiddikjara prinċipali bħas-soltu. 11 00:00:24,170 --> 00:00:29,030 mainvoid int, Brace kaboċċi miftuħa, u Brace kaboċċi preemptively qrib. 12 00:00:29,030 --> 00:00:31,790 Jien ser issa pront l-utent għal dak int. 13 00:00:31,790 --> 00:00:35,395 Printf, jekk jogħġbok me pulzieri 14 00:00:35,395 --> 00:00:38,260 U jien issa se tikseb li int mill-utent. 15 00:00:38,260 --> 00:00:42,650 Int, ejja sejħa hija n, ugwali getint. 16 00:00:42,650 --> 00:00:45,480 >> Fi kliem ieħor, fuq il-lemin ta 'din l-espressjoni, jien ser sejħa 17 00:00:45,480 --> 00:00:49,150 il-funzjoni CS50 imsejħa getint, li hija ser tagħmel eżattament dan. 18 00:00:49,150 --> 00:00:51,890 Huwa mbagħad se jirritornaw dak il-valur mill-lemin ta 'din 19 00:00:51,890 --> 00:00:55,390 espressjoni għall-naħa tax-xellug ta 'din espressjoni, finalment ħażna 20 00:00:55,390 --> 00:00:57,960 dak il-valur fil-varjabbli imsejħa n. 21 00:00:57,960 --> 00:01:00,130 Ejja issa jagħmlu daqsxejn ta 'analiżi. 22 00:01:00,130 --> 00:01:06,000 >> Għal dan, jien ser jimpjegaw kondizzjoni, jew ta 'fergħa, jekk n hija, 23 00:01:06,000 --> 00:01:09,860 jiġifieri, akbar minn 0, allura jien ser jagħmlu dan li ġej. 24 00:01:09,860 --> 00:01:13,330 Iftaħ kaboċċi Brace u preemptively qrib kaboċċi Brace. 25 00:01:13,330 --> 00:01:21,020 Jien ser imbagħad jistampa "inti qabad numru sħiħ pożittiv. "/ n għal 26 00:01:21,020 --> 00:01:24,490 ifformattjar, kwotazzjoni qrib, magħluq parentesi, virgola. 27 00:01:24,490 --> 00:01:26,810 >> Else, jien ser tixtieq li jistampaw xi ftit differenti. 28 00:01:26,810 --> 00:01:34,750 Allura inkella, kaboċċi Brace kaboċċi qrib miftuħa Brace, printf, "inti qabad negattiv 29 00:01:34,750 --> 00:01:39,580 numru sħiħ. "Kull dritt, ejja jiffrankaw u jikkumpilaw dan il-programm. 30 00:01:39,580 --> 00:01:42,720 Jagħmlu żero kondizzjoni Ikteb. 31 00:01:42,720 --> 00:01:47,380 Jien lura fil tiegħi teptip dot fil-pront mmejla, kundizzjoni, żero, Ikteb. 32 00:01:47,380 --> 00:01:49,730 >> U ejja jagħmlu l-aktar sempliċi ta 'sanità kontrolli ewwel. 33 00:01:49,730 --> 00:01:53,310 Wieħed bħala int tiegħi, u jien tassew qabad numru sħiħ pożittiv. 34 00:01:53,310 --> 00:01:57,600 Ejja run dan il-programm mill-ġdid ma kundizzjoni, żero, Ikteb, "jekk jogħġbok agħti 35 00:01:57,600 --> 00:02:00,210 me int. "Ejja nippruvaw tnejn. 36 00:02:00,210 --> 00:02:02,240 I tassew qabad numru sħiħ pożittiv. 37 00:02:02,240 --> 00:02:03,620 >> Ejja ħa mmorru negattiva f'dan il-ħin. 38 00:02:03,620 --> 00:02:05,890 Slash Dot, kundizzjoni, żero. 39 00:02:05,890 --> 00:02:09,380 Negattivi 1 u I telgħet numru sħiħ negattiv. 40 00:02:09,380 --> 00:02:10,590 Imma jien ma isir s'issa. 41 00:02:10,590 --> 00:02:13,000 Ejja nippruvaw kantuniera ieħor każ, jekk inti se. 42 00:02:13,000 --> 00:02:13,830 Ejja nippruvaw żero. 43 00:02:13,830 --> 00:02:18,560 >> Slash Dot, kundizzjoni, żero, Ikteb, u żero. 44 00:02:18,560 --> 00:02:21,550 U oh boy, I telgħet numru sħiħ negattiv. 45 00:02:21,550 --> 00:02:25,860 Imma jien pretty żgur żero hija definita la pożittiv u lanqas negattiv. 46 00:02:25,860 --> 00:02:27,240 Hekk jien ser ikollhom biex jiffissaw dan. 47 00:02:27,240 --> 00:02:28,490