Cod sursa(job #280518)
| Utilizator |  Stoica Tudor Kola |
Data | 13 martie 2009 13:44:43 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<stdio.h>
FILE *f=fopen("factorial.in","r");
FILE *g=fopen("factorial.out","w");
long p,i,n,s,nr;
int main()
{
fscanf(f,"%d",&p);
while(nr!=p&&nr<=p) { ++n;
s=n;
while(s!=0) { if(s%5==0) nr++;
s/=5;
}
if(nr>p) n=0;
}
fprintf(g,"%d",n);
fclose(f);
fclose(g);
return 0;
}