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Ö¸ÕëµÄ˼¿¼(-) (2010-11-09 22:52)


Ö¸ÕëµÄ˼¿¼(-)
(Ò»)ÖªµÀÏÂÃæµÄ±äÁ¿µÄ¶¨Òå
 
    Àý:  int a, *p;(Äܹ»ÏëÏóµ½ÄÚ´æÖеķֲ¼)
         
         a = 10;
 
         *p = &a;  (Äܹ»ÏëÏóµ½ÄÚ´æÖеÄзֲ¼µÄÑù×Ó)
 
        
          ÆäʵÉÏÃæ¾ÍÊÇÔÚÄÚ´æÖзֱð·ÖÅäÁËÁ½¸ö¿Õ¼äÒ»¸ö´æ·ÅÁËÃû×ÖÊÇa,Ò»¸öÊÇÖ¸Õëp
    
          aÖÐÄÚ´æÌî³äÁË10 pµÄÄÚ´æµ¥ÔªÖÐÌî³äÁËaµÄµØÖ·
 
          µ±ÎÒÃÇ *p = 20;Ö®ºóÄãµÃÏëÏóµ½aÖÐÄÚ´æµ¥Ôª±ä³ÉÁËʲô??
 
(¶þ)±È½ÏÏÂÃæµÄÁ½¸öº¯Êý
 
         Öµ½»»»
          
          swapv(int *p1, int *p2)
          {
             int p;
 
             p = *p1;
 
            *p1 = *p2;//½«Ö¸Õë±äÁ¿p2ËùÖ¸ÏòµÄ¿Õ¼äµÄÖµ´æ´¢µ½p1ËùÖ¸ÏòµÄ¿Õ¼äÖÐ
 
            *p2 = *p1;
 
           }  
 
           swapd(int *p1, int *p2)
          {
             int *p;
 
             p = p1;
 
            p1 = p2;//Ö¸Õ뱾ʡµÄÖµ¸Ä±äÁË
 
            p2 = p1;
 
           }   
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