Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: theem1502

Problemset: นักบินอวกาศ

Language: c

Time: 0.002 second

Submitted On: 2025-09-10 22:37:58

#include <stdio.h>

int main() {
    int num;
    int startingsum = 0;
    int therealnum = 0;
    
    scanf("%d", &num);
    for (int i = 0; i < num; i++) {
        if (i == 0) {
            startingsum += 4;
        }
        else {
            startingsum += 6;
        }
        therealnum += startingsum;
    }

    printf("%d", therealnum);
}