#include <stdio.h>
#include <windows.h>
#include<string.h>
int main()
{
int oldprice, price = 0, i = 0;
printf("请首先设置商品的真实价格:");
scanf("%d", &oldprice);
system("cls");
printf("请输入试猜的价格:\n");
while (oldprice != price)
{
i++;
printf("参与者:");
scanf("%d", &price);
printf("主持人:");
if (price>oldprice)
{
printf("高了\n");
}
else if (price<oldprice)
{
printf("低了\n");
}
else
{
printf("恭喜你，答对了，该商品属于你了!\n\n你一共试猜了%d次.\n", i);
}
}
getchar();
return 0;
}
原文：http://www.cnblogs.com/gcter/p/5743182.html