Cod sursa(job #1498351)
Utilizator | Data | 8 octombrie 2015 14:47:13 | |
---|---|---|---|
Problema | Patrate2 | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<stdio.h>
using namespace std;
FILE *fin,*fout;
int n;
long long int solve(int i)
{
if(i==0) return 1;
else return 2*i*solve(i-1);
}
int main()
{
fin=fopen("patrate2.in","r");
fout=fopen("patrate2.out","w");
fscanf(fin,"%d",&n);
printf("%d",solve(n));
}