Submission

Score: 100

User: denze

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 21:55:01

#include <bits/stdc++.h>
using namespace std;

int ans[200 + 10];

int main()
{
    int t;
    scanf("%d", &t);
    int v = 4, a = 6;
    for (int i = 1; i <= t; i++)
    {
        ans[i] = ans[i - 1] + v;
        v += a;
    }
    printf("%d\n", ans[t]);
}

/*
12
*/