Pinta-ala

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
typedef long long ll;
 
int n,A,B;
vector<int> t;
 
int main(){
	cin >> n;
	for(int i=0; i<n; ++i){
		cin >> A >> B;
		double r = sqrt((double)A);
		double m = (r+1)*(r+1);
		if(B >= m)
				cout <<  "YES\n";
		else cout << "NO\n";
	}
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED