#include<stdlib.h>
#include<stdio.h>
void main()
{
char ch = 'y'; //用户选择
int a = 0; //保存输入的数据
int i = 0; //统计输入的数据个数
float sum = 0.0,product = 1.0; //和,积
float average = 0.0; //平均值
int max = 0,min = 0; //最大值,最小值
for(i=0;ch == 'y';i++)
{
printf("请输入数据(整型):");
scanf("%d",&a);
sum = sum + a;
// printf("sum:%f\t",sum);
product = product * a;
// printf("product:%f\n",product);
if(i==0 || a > max)
max = a;
if(i==0 || a < min)
min = a;
printf("\n");
printf("是否需要继续输入?(是/y,不是/n):");
scanf("%s",&ch);
printf("\n");
if(ch == 'n')
{
//printf("i:%d\n",i);
average = sum/(i+1);
printf("最大值:%d\t最小值:%d\t平均值:%f\n和:%f\t积:%f\n",max,min,average,sum,product);
}
}
}