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what's wrong [ Topic ] 2011-07-04 20:43:23 sadhen
#include<stdio.h>
#include<math.h>
int isit(long n){
    long a;
    a=(long ) sqrt(n);
    if(a*a==n)
        return 1;
    return 0;
}
int main(){
    long n;
    
    scanf("%ld",&n);
    while(n!=-1){
        if(isit(n))
            printf("YES\n");
        else
            printf("NO\n");
        scanf("%ld",&n);
    }
    return 0;
}
//在自己的电脑上测试并打印0-10^9中的完全平方数,没有什么不对啊
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University of Science and Technology of China
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