#include <stdio.h>
#include <time.h>
#include <math.h>
int main () {
int a[10]={1,2,3,4,5,6,7,8,9,10};
int low,high,mid,key,flag;
low=0;
high=9;
printf("请输入您想要查找的数");
scanf("%d",&key);
mid=(low+high)/2;
flag=0;
while(low<=high)
{
if(a[mid]>key)
high=mid-1;
else if(a[mid]<key)
low=mid+1;
else if(a[mid]==key)
{
printf("查找成功在%d个",mid+1);
flag=1;
break;
}
}
if(flag==0)
printf("查找失败");
}