Submission

Score: 0

User: modx9572

Problemset: มุมขวาบน

Language: cpp

Time: 0.200 second

Submitted On: 2025-10-08 10:29:15

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin >> n;
	int ans;
	for(int i=0;i<n;i++){
		if(n>=pow(i,2)-(i-1)){
			ans= pow(i,2)-(i-1);
		}
	}
	if(ans-1==n){
		cout << "Cannot find top-right corner.";
	}
	else {
		cout << ans;
	}
}