#include <stdio.h> |
void main () |
{ |
int a,b,c; //定义整形变量 |
a=10,b=20; //给变量赋值 |
printf ( "a=%d,b=%d\n" ,a,b); //输出交换前的值 |
c=a,a=b,b=c; //交换过程 |
printf ( "a=%d,b=%d\n" ,a,b); //输出交换后的值 |
} |