我真是个废物，现在PJ-2都过不了了……

#include <cstdio>
#include <cmath>
using namespace std;

int main()
{
    // freopen("lt2.in", "r", stdin);
    // freopen("lt2.out", "w", stdout);
    int k;
    scanf("%d", &k);
    while (k--)
    {
        long long n, d, e;
        scanf("%lld%lld%lld", &n, &d, &e);
        long long m = n - d * e + 2;
        long long t = m * m - 4 * n;
        if (t < 0) printf("NO\n");
        else if (sqrt(t) != floor(sqrt(t))) printf("NO\n");
        else
        {
            long long p = (m - sqrt(t)) / 2;
            long long q = (m + sqrt(t)) / 2;
            if (p <= 0 || q <= 0) printf("NO\n");
            else printf("%lld %lld\n", p, q);
        }
    }
    return 0;
}