Cod sursa(job #280754)
| Utilizator |  Stoica Tudor Kola |
Data | 13 martie 2009 15:52:16 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<stdio.h>
FILE *f=fopen("fact.in","r");
FILE *g=fopen("fact","w");
int p,i,n,s,nr;
int main()
{
fscanf(f,"%d",&p);
n=1;
while(nr!=p&&nr<=p&&n!=0) { ++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;
}