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2009-07-26 15:50
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int a=3,b=4;
void exchange(int x,int y)
...{  
          int temp;
           temp=a;a=b;b=temp;   //ÊÔͼ½»»»a,b
}
exchange(a,b);
cout<<a<<" "<<b<<endl;
Êä³öµÄÀ´µÄÈÔÈ»ÊÇ3£¬4.
Òª½»»»a,b,Ö»Ðè¸Ä±äº¯Êýexchange£¬´«µÝa,bµÄµØÖ·£¬ÈçÏ£º
void exchange(int *x,int *y)
{
         int temp;
          temp=*x;*x=*y;*y=temp;
}
   exchange(&a,&b);
   cout<<a<<" "<<b<<endl;
  
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ÔÙ¿´Á½¶Î´úÂ룺
#include<iostream>
using namespace std;
void test_point(int *p)
...{
     int a=3;
      p=&a;   // ²»Í¬Ö®´¦
}
int main()
...{
     int x=4;
     int *p1=&x;
      test_point(p1);
      cout<<*p1<<endl;
         return 0;
}
   
   
´ËʱÊä³öµÄ½á¹ûÊÇ4£¬Ò²¾ÍÊÇ˵£¬Ö¸Õëp1µ÷ÓÃtest_pointº¯ÊýºóÖµ²¢Ã»Óеõ½¸Ä±ä£¬½Ó×Å¿´ÏÂÒ»¶Î´úÂë
#include<iostream>
using namespace std;
void test_point(int *p)
...{
     int a=3;
   &nb


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Linux C ±à³Ì ʵÏÖ²ÊÉ«ÎÄ×ÖÊä³ö

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ÀýÈç:
echo "\033[41;36m something here \033[0m"
ÆäÖÐ41µÄλÖôú±íµ×É«, 36µÄλÖÃÊÇ´ú±í×ÖµÄÑÕÉ«
ÄÇЩascii code ÊǶÔÑÕÉ«µ÷ÓõÄʼĩ.
\033[ ; m …… \033[0m
×Ö±³¾°ÑÕÉ«·¶Î§:40----49
40:ºÚ
41:Éîºì
42:ÂÌ
43:»ÆÉ«
44:À¶É«
45:×ÏÉ«
4 ......

C/C++Èí¼þ¹¤³Ìʦ¾ÍÒµÇóÖ°ÊÖ²á½ÚÑ¡Ò»

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2¡¢ÊýÖµµÄ½»»»
  //ʹÓÃÁÙʱ±äÁ¿
   void Swap1(int &a, int &b)
  {
      int temp = a;
      a = b;
   &nbs ......

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//ÒÔϳÌÐòÊÇʵÏÖСдת´óд³ÌÐò
#include<stdio.h>
void to_upper(char *str)
{
    for(;*str !='\0';str++)
    {
        if(unsigned(*str-'a')<='z'-'a')
            *str-='a'-'A';//Ð ......

doxygen+VIMÎĵµÊµÓÃÖ¸ÄÏfor C/C

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