#include <stdio.h>
int main(){
int x,y;
printf("please enter two numbers:\n");
scanf("x=%d,y=%d",&x,&y);
x=y-x;
y=y-x;
x=y+x;
printf("x=%d,y=%d\n",x,y);
return 0;
}
输入x和y的值，并输出交换后的值
#include <stdio.h>
int main(){
int x,y;
printf("please enter two numbers:\n");
scanf("x=%d,y=%d",&x,&y);
x=y-x;
y=y-x;
x=y+x;
printf("x=%d,y=%d\n",x,y);
return 0;
}
