Cod sursa(job #2297516)

Utilizator ZenoTeodor Anitoaei Zeno Data 5 decembrie 2018 22:34:42
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.84 kb
#include <iostream>
#include <fstream>
#include <algorithm>
#include <cmath>

using namespace std;

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

void printPerm(int perm[], int n)
{
    int i;
    for(i = 0; i < n; i++)
    {
        fout << perm[i] + 1 << ' ';
    }
    fout << '\n';
}

void genPerm(int n, int perm[], bool used[], int poz)
{
    int i;
    if(poz == n)
    {
        printPerm(perm, n);
    }
    else
    {
        for(i = 0; i < n; i++)
        {
            if(!used[i])
            {
                perm[poz] = i;
                used[i] = 1;
                genPerm(n, perm, used, poz + 1);
                used[i] = 0;
            }
        }
    }
}

int main()
{
    int n, v[8] = {0};
    bool used[8] = {0};
    fin >> n;
    genPerm(n, v, used, 0);
    return 0;
}