Cod sursa(job #1216659)
Utilizator | Data | 5 august 2014 12:27:19 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int n,sol,a[30];
int main()
{
f>>n;
a[1]=5;
if(n==0) g<<1;
else
{
for(int i=2;i<=11;i++)
{
a[i]=5*a[i-1];
}
sol=5*n;
for(int i=11;i>=1;i--)
{
if(a[i]<=sol) {g<<sol-(i*5)+5;break;}
}
}
return 0;
}