Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Score: 100

User: Monasm

Problemset: มุมขวาบน

Language: cpp

Time: 0.003 second

Submitted On: 2024-11-30 04:57:51

#include <bits/stdc++.h>

#define int long long int
using namespace std;

int32_t main(){
    int n,curr=0,ans=1;cin>>n;
    int x = 1;
    while(curr<=n){
        if(x>n-curr)x--;
        curr+=x;
        if(n==curr-1){
            cout<<"Cannot find top-right corner.";
            return 0;
        }
        if(curr>n)break;
        ans=curr;
        curr+=(x*3);
        x+=2;
    }
    cout<<ans;
}