Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: lingusso

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-03 17:26:09

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

int main(){
	int a,t=0,c=2;
	cin>>a;
	a=a-1;
	for(int i=0;i<=a;i++){
		
		t+=c*2;
		c+=3;
	}
	cout<<t;
	return 0;
}