Submission

Status:

[P][P][P][P][P][P][P][P][PP][P]

Score: 100

User: putter_nopanat

Problemset: กองส้ม

Language: cpp

Time: 0.002 second

Submitted On: 2025-03-31 16:19:09

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;


int main (){
    int l,n;
    cin >> l >> n;
    int all = ((l)*((l+1)*(2l+1)))/6;
    int result = 0;
    for(int i = 0;i<=l;i++){
        if((i+1)*(i+2)*(2*i+3) / 6 > n){
           result = l-i;
           cout << result;
           break;
        }
    }


}