Cod sursa(job #291609)
| Utilizator |  Budau Emanuel manu.budau |
Data | 30 martie 2009 08:04:35 |
|---|---|---|---|
| Problema | Factorial | Scor | 50 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<stdio.h>
FILE *f=fopen("fact.in","r");
FILE *g=fopen("fact.out","w");
long p,nr,s,n;
int main()
{
fscanf(f,"%ld",&p);
if(p==0) nr=1;
else for(n=1;n<=p;n++){ nr+=5;
s=nr;
s/=5;
while(s%5==0) s/=5,n++;
}
fprintf(g,"%ld",nr);
fclose(f);
fclose(g);
return 0;
}