/*不停地输入整数并求出它们的平均值*/
#include<stdio.h>
int main(void)
{
 int retry,sum=0,count=0;
 do{
  int no;
  printf("请输入一个整数：");
  scanf("%d",&no);
  sum = sum+no;
  count = count+1;
  
  printf("是否要继续？【Yes···0/No···1】");
  scanf("%d",&retry);
 } while(retry == 0);
 
 printf("和为%d,平均值为%.2f\n",sum,(double)sum/count);
 
 return 0;
}