Cod sursa(job #1743424)

Utilizator SolcanMihaiSolcan Mihai Andrei SolcanMihai Data 18 august 2016 09:46:40
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <cstdio>
#include <vector>

using namespace std;

int n;
int viz[10];
vector<int> sol;

void citire()
{
    scanf("%d", &n);
}

void afisare()
{
    for(int i = 0; i < n; i++)
    {
        printf("%d ", sol[i] + 1);
    }
    printf("\n");
}

void backtracking(int k)
{
    if(k == n)
    {
        afisare();
    }
    else
    {
        for(int i = 0; i < n; i++)
        {
            if(viz[i] == 0)
            {
                viz[i] = 1;
                sol.push_back(i);
                backtracking(k + 1);
                sol.pop_back();
                viz[i] = 0;
            }
        }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);

    citire();
    backtracking(0);

    return 0;
}