Cod sursa(job #642573)
| Utilizator |  Iarca Stefan Stexan |
Data | 1 decembrie 2011 18:33:42 |
|---|---|---|---|
| Problema | Factorial | Scor | 25 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.27 kb |
using namespace std;
#include<fstream>
int main()
{
ifstream f("fact.in");
ofstream g("fact.out");
int p,b,i,div5=0,div2=1,nr0=0;
unsigned int n=1;
f>>p;
for(i=5; i<=100000000 && p>nr0; i++)
{
n=i; b=i;
while(b%5==0)
{div5++;
b=b/5;}
nr0=div5;
}
g<<n;
}