Submission

[PPPPPPPPPP]

Score: 100

User: monpluk

Problemset: นักบินอวกาศ

Language: c

Time: 0.001 second

Submitted On: 2024-11-07 21:33:53

#include <stdio.h>
int main(){
    int t,sum=0,k=4;
    scanf("%d",&t);
    for(int i=0;i<t;i++){
        sum+=k;
        k+=6;
    }
    printf("%d",sum);
    return 0;
}