Cod sursa(job #2894)
| Utilizator |  Popovici Alexandru d_tritus |
Data | 19 decembrie 2006 19:45:48 |
|---|---|---|---|
| Problema | Factorial | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.35 kb |
#include <stdio.h>
FILE *fi, *fo;
long p, n, k=0, i=0, c=1, i2;
int main (void) {
fi=fopen ("fact.in", "rt");
fo=fopen ("fact.out", "wt");
fscanf (fi, "%ld", &p);
if (p<0) fprintf (fo, "-1\n");
if (p==0) n=1; else {
while (k!=p) {
i+=5;
i2=i;
while (i2%5==0) {
k++; i2/=5;
}
}
}
n=i;
fprintf(fo, "%ld", n);
fcloseall();
return 0;
}