#include<iostream>
#include<algorithm>
#include<cmath>
#define N 100005
#define ll long long
using namespace std;



int main(){
	ll k;
	cin>>k;
	while(k--){
		ll n,d,e;
		cin>>n>>d>>e;
		ll m=n-e*d+2;
		ll t=m*m-4*n;
		//cout<<endl<<t<<endl;
		if(t<=0 || (sqrt(t)*sqrt(t))!=t){
			cout<<"NO"<<endl;
			continue;
		}
		cout<<(m-sqrt(t))/2<<" "<<(m+sqrt(t))/2<<endl;
	}
	return 0;
}

调完可关注 谢谢大佬