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http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=2847 [º¹»ç]


#include <stdio.h>
int main(void)
{

        char a[100];
        int i=0;

        printf("¹®ÀÚ¿­ ÀÔ·Â:");
        scanf("%s",a);

        while(a[i]!=0)
                i++;

        printf("ÀÔ·ÂÇÑ ¹®ÀÚ¿­ ±æÀÌ:%d \n",i);

        return 0;
}

ÀÔ·ÂÇÑ ¹®ÀÚ¿­ ±æÀÌ ±¸ÇÏ´Â ¹®Á¦ÀÔ´Ï´Ù
i°ªÀÌ ´Ã¾î³ª¸é¼­ °ÅÁþÀÌ µÇ¸é while¹®À» Å»ÃâÇÏ´Â Çü½ÄÀä
i°¡ Áõ°¡Çϸ鼭 °á±¹¿¡ null°ªÀ̶û °°¾ÆÁö¸é¼­ °ÅÁþÀÌ µÇ´ÂÇü½ÄÀε¥ ¸¶Áö¸·¿¡ -1ÇØÁà¾ß null°ªÀÌ Æ÷ÇÔ ¾ÈµÇ´Â°Å ¾Æ´Ñ°¡¿ä?

  Hit : 3572     Date : 2011/01/09 02:34



    
williamlee NULL ¹®ÀÚ°¡ ¾Æ½ºÅ° Äڵ尪À¸·Î 0ÀÌ¶ó¼­ ±×·±µí...? 2011/01/09  
o¿£¿äo a[i] °ªÀÌ NULLÀ̶ó¸é NULLÀ϶§ÀÇ i++´Â ½ÇÇàÀÌ µÇÁö ¾Ê°í ºüÁ®³ª¿Í¼­
»ó°ü ¾ø´Â°Å ¾Æ´Ñ°¡¿ä ^^?
2011/01/09  
capt_0669 ¿¹¸¦ µé¾î Hello¸¦ ŸÀÔÇß´Ù°í Çϸé
a[0] - H
a[1] - e
a[2] - l
a[3] - l
a[4] - o
a[5] - /0 (Null)

ÀÌ·¸°Ô µÇ¹Ç·Î ¸¸¾à a[i]¿¡¼­ i °¡ 5°¡ µÈ´Ù¸é 0 ȤÀº /0 Áï NullÀ̹ǷÎ

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GoodÀ» ¾´´Ù¸é ´Ü¾î°¡ 4°³À̴ϱñ Null ¹®ÀÚ´Â 5¹ø°°¡ µÇ°ÚÁö¿ä
2011/01/12  
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05/16 3110
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06/13 3336
162   gcc ¸»Àä(À©µµ¿ì)[2]     ¹Ùº¸Å´
08/23 2759
161   ¾Æ Á¦¹ß..¤ÐÈæÈæ[6]     ¹Ùº¼ÀÌ
10/02 3133
160   Áú¹®ÀÌ¿ä...¤Ð     ¹Ùº¼ÀÌ
10/16 2757
159   Áö...Áú¹®ÀÌ¿ä..[1]     ¹Ùº¼ÀÌ
12/20 3023
158   À¸Èå...ÆäÀÌ¡°ü·Ã Áú¹®ÀÔ´Ï´Ù..     ¹Ùº¼ÀÌ
04/09 2773
157   À©µµ¿ì ·Î¿ì ¼ÒÄÏ °ü·Ã Áú¹®ÀÔ´Ï´Ù..[2]     ¹Ùº¼ÀÌ
05/21 5982
156   À¸¾Ç ..! °©ÀÚ±â È¥µ·ÀÌ     ¹Ùº¼ÀÌ
07/02 2914
155   [Æ÷ÀÎÅÍ]C¾ð¾î Áú¹®[2]     ¹Ú¿µ¹Î
03/12 3446
154     [re] c¾ð¾î ¾Æ¹«°Íµµ ¸ð¸£´Âµ¥¿ä     ¹«¼ÒÀ¯
12/17 2216
153     [re] c ¾ð¾î Ä·ÆÛ½º°­Á 1À» º¸´Ï±î¿ä     ¹«¼ÒÀ¯
12/17 3600
152   c c++ Áú¹®Á»¿ä[3]     ¹°¸ÔÀÚ
12/13 3024
151   c¾ð¾î Áú¹®Á»¿ä[2]     ¹°¸ÔÀÚ
12/23 3158
150   c¾ð¾î Áú¹®Á»¿ä[6]     ¹°¸ÔÀÚ
12/24 3374
149   c¾ð¾î Áú¹®Á»¿ä[2]     ¹°¸ÔÀÚ
12/27 3405
148   c¾ð¾î Áú¹®Á»¿ä[4]     ¹°¸ÔÀÚ
01/02 3338
  c¾ð¾î ¹è¿­ Áú¹®Á»¿ä[3]     ¹°¸ÔÀÚ
01/09 3571
146   2Â÷¿ø ¹è¿­ Áú¹®Á»¿ä[4]     ¹°¸ÔÀÚ
01/18 3591
145   c¾ð¾î Áú¹®Á»¿ä[5]     ¹°¸ÔÀÚ
01/22 4155
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