Cod sursa(job #2879344)

Utilizator indianu_talpa_iuteTisca Catalin indianu_talpa_iute Data 28 martie 2022 14:33:25
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.54 kb
#include <bits/stdc++.h>
#define MAXN 8

using namespace std;

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

int n, sol[MAXN];
bool fr[MAXN + 1];
void afisare() {
    for (int i = 0; i < n; i++)
        fout << sol[i] << ' ';
    fout << '\n';
}

void back(int k = 0) {
    if (k == n) {
        afisare();
    }
    for (int i = 1; i <= n; i++) {
        if (fr[i])
            continue;
        fr[i] = true;
        sol[k] = i;
        back(k + 1);
        fr[i] = false;
    }
}

int main() {
    fin >> n;
    back();
    return 0;
}