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   tabris1102
   ·£´ýÇÔ¼ö 0ÀÌ °¡²û Ãâ·ÂµÇ´Âµ¥..

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=6389 [º¹»ç]


#include <iostream>
#include <cstdlib>

using namespace std;

int dealCard(void);
int main()
{
        char cards[] = {'A','2','3','4','5','6','7',
                          '8','9','10','J','Q','K'};

        srand(time(NULL));

        cout << cards[dealCard()] << endl;
        cout << cards[dealCard()] << endl;
        
}
int dealCard(void)
{
        return rand() % 13;
}


¿©±â¼­ ÇÔ¼ö¸¦ º¸½Ã¸é 0 ~ 13 ±îÁö ¼ýÀÚ°¡ ³ª¿ÀÀݾƿä?
±×·¡¼­ ±× ¼ýÀÚ¸¦ cards[] ¾È¿¡ Áý¾î³Ö±â ¶§¹®¿¡ 0 ÀÌ ³ª¿À¸é
cards[0] = A °¡ ³ª¿É´Ï´Ù. ±×·±µ¥ °¡²û°¡´Ù ±×³É 0 ÀÌ Ãâ·Â µÉ‹š°¡ ÀÖ¾î¿ä.

Ȥ½Ã³ª Çؼ­ (rand() % 13) + 1 µµ ÇغÃÁö¸¸ ±×·¡µµ 0ÀÌ °¡²û Ãâ·ÂµÇ´õ¶ó±¸¿ä.
ÀÌÀ¯°¡ ¹º°¡¿ä?

  Hit : 3450     Date : 2013/10/07 02:37



    
Chris Ruiel return rand() % 13;
°ú

return rand() % 13+1;

Àº ´Ù¸£½Ã´Ù´Â°É ¾Æ½ÃÁö¿ä..??

ù¹ø°´Â 0~ µÎ¹ø°´Â 1~ºÎÅÍ ÀÌÁö¿ä..

±×³É 0ÀÌ Ãâ·ÂµÈ´Ù´Â°Ç Ãâ·Â¿¡ cards[0] A°¡ ¾Æ´Ï¶ó 0¸¸ Ãâ·ÂµÈ´Ù´Â ¸»¾¸À̽ÃÁö¿ä?
2013/10/07  
janeeyoon char cards[] = {'A','2','3','4','5','6','7',
'8','9','10','J','Q','K'}

ÀÌ ºÎºÐ¿¡¼­ char type º¯¼ö¿¡ '10'À» ´ëÀÔ½ÃÅ°°í Àֳ׿ä. 10 À̶ó´Â ¼ýÀÚ´Â ¾ö¿¬È÷ 1°ú0 µÎ °³·Î ÀÌ·ç¾îÁø µÎ±ÛÀÚÀÌ°í 2¹ÙÀÌÆ®...
´ëÀÔµÈ °á°ú´Â cards[9]='0' ÀÌ µÇ°Ú³×¿ä. ±×·¯´Ï °á±¹ 0 ÀÌ Ãâ·ÂµÈ´Ù´Â°Ô ÀÌ°É ¸»ÇÏ´Â °Í °°³×¿ä.
2013/10/08  
tabris1102 Chris Ruiel// A´Â Ãâ·ÂÀÌ µÇ¿ä ±×·±µ¥ ¾îµð¼±Áö ¸ð¸£°ÚÁö¸¸ 0ÀÌ Ãâ·Â µÇ´õ¶ó±¸¿ä.
janeeyoon// À½.. ÇÑ °¡Áö ±Ã±ÝÇÑ°Ç, ¸¸¾à 10À» 1°ú 0À¸·Î º»´Ù¸é rand()%13 ÀÇ °æ¿ì AºÎÅÍ Q ±îÁö ³ª¿Í¾ß Çϴ°ÅÁÒ?
±×·±µ¥ Kµµ ³ª¿À´õ¶ó±¸¿ä....... ÇÑ ¹ø ¾Ë¾Æº¸µµ·Ï ÇÏ°Ú½À´Ï´Ù.!
2013/10/09  
G.O.D ¹®ÀÚ¿­ÀÇ ³¡À» ¾Ë¸®±â À§ÇØ ¹è¿­ÀÇ ¸¶Áö¸·¿¡´Â \0ÀÌ µé¾î°¡°Ô µÇ´Âµ¥ Àú°Ô Á¤¼öÇüÀ¸·Î Ç¥ÇöµÇ¸é 0À̵˴ϴÙ.

·£´ý ÇÔ¼ö·Î À§¿¡ ó·³ µ¹¸±°æ¿ì 13 À̶ó´Â ¼ýÀÚµµ ³ª¿À°Ô µÇ°í card[13]Àº ¹è¿­ÀÇ ¸¶Áö¸·, Áï 0ÀÌ µË´Ï´Ù.

rand()%12 +0 ÀÌ·¸°Ô ¹Ù²ã Áֽøé 0~12±îÁöÀÇ Á¤¼ö°¡ ³ª¿À°Ô µÇ°í cards[0]~card[12]±îÁö Á¤ÇØÁø ¹®ÀÚ°¡ ·£´ýÀ¸·Î

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