Cod sursa(job #3030263)
Utilizator | Data | 17 martie 2023 16:18:44 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
long long n;
long long nr(long long n)
{
int k=0;
long long i=5;
while(i<n)
{
if(i<25) i*=5;
else i+=25;
k++;
}
if(n) return 5*(n-k);
return 1;
}
int main()
{
fin>>n;
fout<<nr(n);
return 0;
}