Cod sursa(job #75512)

Utilizator swift90Ionut Bogdanescu swift90 Data 2 august 2007 15:18:53
Problema Patrate2 Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<stdio.h>
long long sum;
int main(){
	freopen("patrate2.in","r",stdin);
	freopen("patrate2.out","w",stdout);
	int n,s,i;
	
	scanf("%d",&n);
	sum=2;
	for(i=1;i<n;i++)
		sum*=2;
	s=sum;
	for(i=1;i<n;i++)
		sum*=s;
	
	s=1;
	for(i=1;i<=n;i++)
		s*=i;
	
	sum*=s;
	
	printf("%lld\n",sum);
	
	return 0;
}