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   [Æß]C Language (swap)

http://www.hackerschool.org/HS_Boards/zboard.php?id=Free_Lectures&no=8159 [º¹»ç]



c¾ð¾î swap¿¹Á¦

a ¿¡´Ù 1À» ÀÔ·ÂÇÏ°í b¿¡´Ù 2¸¦ ÀÔ·ÂÇÏ°í a¿ÍbÀÇ °ªÀ» ¹Ù²Ù´Â ¿¹Á¦¸¦ ¸¸µé¶ó°í ÇÑ´Ù¸é c¾ð¾î¸¦ ÃʹÝÀ¸·Î Á¢ÇϽô ºÐµéÀº ¾Æ·¡¿Í °°ÀÌ ÀÛ¼ºÇÒ¼öµµ ÀÖ´Ù

#include <Stdio.h>

int main(void)
{
        int a , b;
        
        printf("a :");
        scanf("%d",&a); //1·Î ÀÔ·ÂÇÑ°æ¿ì
        
        printf("b :");
        scanf("%d",&b); //2·Î ÀÔ·ÂÇÑ°æ¿ì
        
        b = a;  
        a = b;  
        
        printf("a : %d\nb : %d\n",a , b);
        
        return 0;
}
c¾ð¾î¸¦ ÃʹÝÀ¸·Î Á¢ÇϽŠºÐÀº ÀÌ·¸°Ô ÀÛ¼ºÇÒ¼öµµ ÀÖ½À´Ï´Ù.

ÇÏÁö¸¸ ÀÌ·¸°Ô ÀÛ¼ºÇϸé
b=a;
a=b;
ºÎºÐ¿¡¼­ °ª¼Õ½ÇÀÌ ÀϾ´Ï´Ù.
ÀÏ´Ü aÀÇ °ªÀ» b¿¡´Ù ³Ö¾ú½À´Ï´Ù.c¾ð¾î´Â À§¿¡¼­ ¾Æ·¡·Î Àб⠶§¹®¿¡
a=b;¿¡¼­ a°ª¿¡´Ù b¸¦ ³ÖÁö¸¸  À§¿¡¼­ bÀÇ °ªÀÌ a·Î ¹Ù²ï »óÅ·ΠµÇ±â¶§¹®¿¡ µÑ´Ù aÀÇ °ª°ú µ¿ÀÏÇØÁø´Ù´Â ¿À·ù°¡ ÀÖ½À´Ï´Ù.
±×·¡¼­ swapÀº ¾Æ·¡¿Í °°Àº ÄÚµå

#include <Stdio.h>

int main(void)
{
        int a , b;
        int tmp = 0; //temporay
        
        printf("a :");
        scanf("%d",&a); //1·Î ÀÔ·ÂÇÑ°æ¿ì
        
        printf("b :");
        scanf("%d",&b); //2·Î ÀÔ·ÂÇÑ °æ¿ì
        
        tmp = b;  //b°ª ¹Ì¸® ÀúÀå
        b = a;  //b°ªÀÌ a·Î ¹Ù²ñ  //swap
        a = tmp;  //aÀÇ °ªÀº tmpÀÇ ÀúÀåµÈ bÀÇ °ª
        
        printf("a : %d\nb : %d\n",a , b);
        
        return 0;
}

ÀÌ·¸°Ô bÀÇ °ªÀ» ¹Ì¸® tmp¶ó´Â º¯¼öÀÇ ÀúÀåÀ»ÇØÁÖ°í
a = tmp;·Î ÀúÀåµÈ bÀÇ °ªÀ» °¡Á®¿É´Ï´Ù'


  Hit : 7422     Date : 2015/10/17 07:38



    
wsj7178 ÀÌ°É ÀÌ¿ëÇؼ­ ÇÔ¼öµµ ¸¸µé¼ö ÀÖÁÒ
void swap(int *x, int *y)
{
int tmp;
tmp = *x;
*x = *y;
*y = tmp;
}
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