Submission

Score: 25

User: Apimuk

Problemset: มุมขวาบน

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-24 12:20:11

#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin >> n;
    int k = ceil(sqrt(n));
    if(k%2==0){
        k++;
    }
    int top = k*k - (k-1);
    int far = top -2;
    if(n <= far){
        cout << "Cannot find top-right corner.";
    }
    else {
        cout << top;
    }

}