Cod sursa(job #644438)
Utilizator | Data | 6 decembrie 2011 17:02:24 | |
---|---|---|---|
Problema | Factorial | Scor | 25 |
Compilator | c | Status | done |
Runda | Arhiva de probleme | Marime | 0.39 kb |
#include <stdio.h>
int main()
{
FILE* f=fopen("fact.in","r");
FILE* g=fopen("fact.out","w");
int n,con=0,i,ok=1,ver;
fscanf(f,"%d", &n);
fclose(f);
if (n!=0)
for (i=5;ok;i+=5){
ver=5;
if (i%ver==0)
do {
con++;
ver*=5;
if (con==n)
ok=0;
}while ((i%ver==0) && (ok));
}
else
i=6;
fprintf(g,"%d", i-=5);
fclose(g);
return 0;
}