Pinta-ala

#include <algorithm>
#include <array>
#include <iostream>
#include <vector>
#include <cmath>

using namespace std;

int main() {
    int n;
    cin >> n;

    for (int i = 0; i < n; i++) {
        int alkup, uusi;
        int a = 0;
        cin >> alkup >> uusi;

        if (uusi <= alkup) {
            cout << "NO" << endl;
            continue;
        }

        //cout << "aaaa" << endl;

        if (uusi - alkup >= 2 * (sqrt((double) alkup)) + 1) a = 2;

        //cout << alkup << " -> " << uusi << endl;
        /*for (int j = 1; j <= sqrt(alkup) + 1; j++) {
            if (alkup % j == 0) {
                if (uusi >= alkup + j + alkup / j + 1) {
                    a = 2;
                    break;
                }
            }
        }*/

        if (a != 2) {
            cout << "NO" << endl;
        } else{
            cout << "YES" << endl;
        }
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED