Wednesday, July 2, 2014

UVa - 10110 - Light, more light

#include <iostream>
#include <cstdio>
#include <math.h>
#define end if(n == 0)break;
using namespace std;
int main(){
    long long int n, i, m, o;
    for(i =1; ;i++){
    scanf("%lld", &n);
    end;
    m = sqrt(n);
    o = m * m;
    if(o == n)
    printf("yes\n");
    else
    printf("no\n");
    }
    return 0;
}

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