Cod sursa(job #3139705)

Utilizator ItsComplicatedMihai Ian ItsComplicated Data 30 iunie 2023 23:57:09
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.57 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int used[10];
int v[10];
int n;

void printv() {
  for(int i = 0; i < n; i++) {
    fout << v[i] << " ";
  }
  fout << endl;
}

void perm(int step) {
  if (step == n) {
    printv();
    return;
  }
  for(int nr = 0; nr < n; nr++) {
    if (used[nr] == 0) {
      used[nr] = 1;
      v[step] = nr + 1;
      perm(step + 1);
      used[nr] = 0;
    }
  }
}

int main()
{
    fin >> n;

    perm(0);

    return 0;
}