#include <cstdio>
#include <cmath>
int main()
{
    unsigned int n,a,m = 0,p = 0;
    double x;
    char r[65536];
    scanf("%d",&n);
    while(n--){
        scanf("%d",&a);
        x = (sqrt(double(8*a-7))+1)/2;
        if (x==int(x))
            r[m++] = '1';
        else
            r[m++] = '0';
    }
    n = 0;
    while(m--)
        printf("%c ",r[n++]);
    printf("\n");
    return 0;
}

Edited by author 31.03.2014 16:38