Pinta-ala

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<int,int> P;
#define REDIR ifstream f("input.txt"); cin.rdbuf(f.rdbuf());
int n,t;
int sums[4];
 
bool ok(int leveys, int a, int b) {
    int korkeus = a / leveys;
    if (korkeus == 0) return true;
    if ((korkeus+1) * (leveys+1) > b) return true;
    return false;
}
int main() {
    //REDIR;
    cin >> t;
    while (t--) {
        int a,b; cin >> a >> b;
 
        //-y²+y(b-a-1)-b
 
        double diskr = (b-a-1)*(b-a-1)-4*(-1)*(double)(-a);
        if (diskr < 0) cout << "NO\n";
        else cout << "YES\n";
    }
}
/*
(x+1)(y+1)=1337
 
x*y+x+y+1=1337
x*y=1,   
 
x=1/y
*/

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER