Submission

Score: 100

User: ThreeDee

Problemset: มุมขวาบน

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-06 14:30:05

#include<bits/stdc++.h>
using namespace std;
int main(){
	cin.tie(0)->sync_with_stdio(0);
	int n,a=3;
	cin>>n;
	for(int i=1;i<=n;){
		if(i<=n && n<=i+a){
			cout<<i;
			return 0;
		}
		else if(n==i+a+1){
			cout<<"Cannot find top-right corner.";
			return 0;
		}
		else if(n==i+a+2){
			cout<<i+a+2;
			return 0;
		}
		i+=a+3;
		a+=8;
	}
}