Cod sursa(job #1209143)
| Utilizator |  Marius Ivanici mariusivanici |
Data | 17 iulie 2014 10:37:23 |
|---|---|---|---|
| Problema | Factorial | Scor | 5 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.29 kb |
#include <stdio.h>
int main()
{
unsigned long long n;
unsigned long long factorial=1,i;
FILE *fin,*fout;
fin = fopen("fact.in", "rt");
fout = fopen("fact.out", "wt");
fscanf(fin, "%llu", &n);
for(i=2;i<=n;i++)
factorial*=i;
fprintf(fout, "%llu", factorial);
return 0;
}