Cod sursa(job #978334)
Utilizator | Data | 28 iulie 2013 17:38:24 | |
---|---|---|---|
Problema | ChatNoir | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.23 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("puncte2.in");
ofstream fout("puncte2.out");
int main()
{
long double n,m;
fin>>n;
m=n*(n-1)*(n-2)*(n-3)/24.0;
fout<<int(m);
}