Submission

Score: 100

User: mumumimi

Problemset: มุมขวาบน

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-07 09:27:30

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;cin >> n;
    int total =1;
    int i=1;
    while(true){
        total=total+(8*i-2);
        if(total-2==n){
            cout << "Cannot find top-right corner.";
            break;
        }else if(total >n){
            total = total-(8*i-2);
            cout << total;
            break;
        }else if(total <n){
            i++;
            continue;
        }
    }
}