Cod sursa(job #72325)
| Utilizator |  Irimia Dinescu Andrei andreiirimia |
Data | 13 iulie 2007 14:13:47 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<stdio.h>
int main(void) {
FILE *f;
long int p;
int aux,i,nr=0,j;
printf("Dati p "); scanf("%ld",&p);
if (p==0) aux=1;
else for (i=5;i<=p*5;i+=5)
{
j=i;
while (!(j%5))
{
j/=5;
nr++;
}
if (nr==p) aux=i;
else aux=-1;
}
f=fopen("c:/fact.txt","w");
fprintf(f,"%d",aux);
fclose(f);
return 0;}