Cod sursa(job #2303949)
Utilizator | Data | 17 decembrie 2018 11:58:42 | |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int rezultat(int p)
{
int i = 5 , k = 0;
while(i <= p)
{
k += p / i;
i = i * 5;
}
return k;
}
int main()
{
int p;
fin >> p;
int i = 1;
while(rezultat(i) < p)
++i;
fout << i;
}