Cod sursa(job #2672072)

Utilizator Bogdan.paun50Mandresi Bogdan Bogdan.paun50 Data 12 noiembrie 2020 23:51:55
Problema Generare de permutari Scor 20
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.65 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int N, perm[10];
bool uz[10];

void back(int p, int N)
{
    if(p - 1 == N)
    {
        for(int i = 1; i <= N; i++)
            fout << perm[i];
        fout << endl;
        return;
    }
    else
    {
        for(int i = 1; i <= N; i++)
        {
            if(!uz[i])
            {
                perm[p] = i;
                uz[i] = 1;
                back(p + 1, N);
                uz[i] = 0;
            }
        }
    }
}

int main()
{
    fin >> N;
    back(1, N);

    return 0;
}