交换内容

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1.中间变量

#include<stdio.h>int main(){int a = 10;int b = 100;int temp;temp = a;a = b;b = temp;printf("a=%d,b=%d", a, b);getchar();}

2.不使用中间变量

#include<stdio.h>int main(){int a = 10;int b = 100;/*a = a + b;b = a - b;a = a - b;*/a = a*b;b = a / b;a = a / b;printf("a=%d,b=%d", a, b);getchar();}


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