Cod sursa(job #73551)

Utilizator M@2Te4iMatei Misarca M@2Te4i Data 19 iulie 2007 16:07:19
Problema Sarpe Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>

long long n,w;

void citire()
{
	freopen("sarpe.in","r",stdin);
	scanf("%lld", &n);
	fclose(stdin);
}

void printare()
{
	freopen("sarpe.out","w",stdout);
	printf("%lld",w);
	fclose(stdout);
}

int main()
{
	citire();
	w=4*n+2*(n-1)*(n-2);
	printare();
	return 0;
}