入门练习2-1

#include <stdio.h>

int main(){

  int x, y;

  puts("请输入两个整数。");

  printf("整数x:");
  scanf("%d", &x);
  printf("整数y:");
  scanf("%d", &y);
  

  printf("x的值是y的%d%%\n", x*100/y);
return 0;}