Cod sursa(job #2739312)

Utilizator Luca_Miscocilucainfoarena Luca_Miscoci Data 7 aprilie 2021 18:36:17
Problema Patrate2 Scor 30
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream fin ("patrate2.in");
ofstream fout ("patrate2.out");
int main(){

  long long n, p, x;
  fin >> n;
  p = 2;
  x = 1;
  for (int i = 2; i <= n * n; i++){
    p *= 2;
  }

  for (int i = 2; i <= n; i++){
    x *= i;
  }
  fout << p * x;
  return 0;
}