c语言指针：从键盘输入两个整数给c1,c2两个变量,用函数交换c1和c2的值后输出？

Question

c语言输入两个字符给c1c2,交换c1c2的值

Answer 1

#include<stdio.h>

void swap(int *x,int *y)

{ int t=*x;

  *x=*y;

  *y=t;

}

int main()

{ int c1,c2;

  scanf("%d%d",&c1,&c2);

  printf("c1=%d\tc2=%d\n",c1,c2);

  swap(&c1,&c2);

  printf("c1=%d\tc2=%d\n",c1,c2);

  return 0;

}