Cod sursa(job #6626)
| Utilizator |  Stancu George tancu |
Data | 20 ianuarie 2007 13:20:58 |
|---|---|---|---|
| Problema | Factorial | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<stdio.h>
FILE *f1,*f2;
int main ()
{long unsigned p,x,nr,y;
f1=fopen("fact.in","r");
f2=fopen("fact.out","w");
fscanf(f1,"%lu",&p);
if(p==0)x=1;
else {x=5;nr=1;
while(nr<p){x+=5;y=x;
while(y%5==0){nr++;y=y/5;}}}
fprintf(f2,"%lu\n",x);
fclose(f1);
fclose(f2);
return 0;}