Cod sursa(job #2885)
Utilizator | Data | 19 decembrie 2006 19:33:31 | |
---|---|---|---|
Problema | Factorial | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include <stdio.h>
#include <iostream.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);
while (k!=p) {
i+=5;
i2=i;
while (i2%5==0) {
k++; i2/=5;
}
}
if (p==0) n=1;
else n=i;
fprintf(fo, "%ld", n);
fcloseall();
return 0;
}