Cod sursa(job #214962)
Utilizator | Oprea Mihai mihaio07 | Data | 17 octombrie 2008 00:52:26 |
---|---|---|---|
Problema | Factorial | Scor | 0 |
Compilator | c | Status | done |
Runda | Arhiva de probleme | Marime | 0.58 kb |
#include<stdio.h>
//#include<conio.h>
//0 2 4 10
int main()
{
FILE *in, *out;
int N=1, P, c2=0, c5=0, k=1;
in=fopen("fact.in", "r");
out=fopen("fact.out", "w");
fscanf(in, "%d", &P);
while (c5<P)
{
while (N%2==0)
{
N/=2; c2++;
}
while (N%5==0)
{
N/=5; c5++;
}
N++;
}
if(!nrz) fprintf(out, "%d", -1);
else fprintf(out, "%d", N-1);
// getch();
return 0;
}