int main() {
    int a = 0;
    int b = 0;
    scanf("%d %d",&a,&b);
    printf("a=%d b=%d\n",a,b);
    int tem = 0;
    tem = a;
    a = b;
    b = tem;
    printf("a=%d b=%d",a,b);
    return 0;
}

int main() {
    int a = 0;
    int b = 0;
    scanf("%d %d",&a,&b);
    printf("a=%d b=%d\n",a,b);
    int tem = 0;
    tem = a;
    a = b;
    b = tem;
    printf("a=%d b=%d",a,b);
    return 0;
}

int main() {
    int a = 0;
    int b = 0;
    scanf("%d %d",&a,&b);
    printf("a=%d b=%d\n",a,b);
    int tem = 0;
    tem = a;
    a = b;
    b = tem;
    printf("a=%d b=%d",a,b);
    return 0;
}

int temp=*a;

*a=*b;

*b=temp;

1

void fun(int *a,int *b)

{

     int *c=(int *)malloc(sizeof(int));

     c=a;

     a=b;

     b=c;

     free(c);

}

，

1

int temp;

temp=*a;

*a=*b;

*b=temp;

int temp;

temp=*a;

*a=*b;

*b=temp;

   int t;
    t  = *a ;
    *a = *b;
    *b = t;
 

int *t;

*t=*a;

*a=*b;

*b=t;

1

int t; t=*a; *a=*b; *b=t;

#include <stdio.h>

/*
 * 功能：实现两个整数的交换。
 * 装逼，用亦或实现
 */
void fun(int *a, int *b) {
	*a = *a ^ *b;
	*b = *a ^ *b;
	*a = *a ^ *b;
}


int main() {
	int a = 1, b = 2;
	fun(&a, &b);
	printf("%d %d", a, b);
	return 0;
}

int t;

t=*a;

*a=*b;

*b=t;

int c; c= *a; *a=*b; *b=c;

int c= *a;

*a=*b;

*b=c;

int c= *a;

*a=*b;

*b=c;

int c = *a;
    *a = *b;
    *b = c

int c = *a;
    *a = *b;
    *b = c;

int *temp;

*temp=*a;

*a=*b;

*b=*temp;

int t;

t=*a;

*a=*b;

*b=t;

int c;

c=*a;

*a=*b;

*b=c;

int c = *a; *a = *b; *b = c;

int c = *a;
    *a = *b;
    *b = c;

int temp=*a;

*a=*b;

*b=temp;

int *temp=a;

*a=*b;

*b=*temp;

int t;

t=*a;

*a=*b;

*b=t;

后面一坨文件操作是啥，admin忘记删了吧

int t;

t=*a;

*a=*b;

*b=t;

int temp；

temp=*a；

*a=*b；

*b=temp;

*a = *a ^ *b;

*b = *a ^ *b;

*a = *a ^ *b;

int c = *b;

*b = *a;

*a = c;

int tmp=*a;
*a=*b;
*b=tmp;

int tmp=*a;
*a=*b;
*b=tmp;

int temp = *a;

*a = *b;

*b = temp;