Pinta-ala

#include <bits/stdc++.h>
#define pb push_back
using namespace std;

int T;

int main() {
    ios_base::sync_with_stdio(false);

    cin >> T;

    while (T--) {
        int a, b;
        cin >> a >> b;

        double diff = b - a;

        if (2 * sqrt(b) - 1 > diff) cout << "NO" << endl;
        else cout << "YES" << endl;
    }
 
    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED