Cod sursa(job #1020616)
| Utilizator |  Leontin leontin |
Data | 2 noiembrie 2013 13:14:52 |
|---|---|---|---|
| Problema | Factorial | Scor | 25 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<fstream>
using namespace std;
int fun(int x)
{
int nr=0;
while(x%5==0)
{
nr++;
x=x/5;
}
return nr;
}
int main()
{
ifstream f("fact.in");
ofstream g("fact.out");
int p,i,ok=1,val=0;
f>>p;
for(i=1;ok==1;i++)
{
val=val+fun(i);
if(val>=p)
break;
}
g<<i<<"\n";
return 0;
}