Cod sursa(job #2989468)

Utilizator mati.coldea@gmail.comMatei Coldea [email protected] Data 6 martie 2023 17:57:15
Problema Dusman Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.04 kb

#include <bits/stdc++.h>

using namespace std;
ifstream fin("dusman.in");
ofstream fout("dusman.out");

int nr;
int n, m, K;
int a[1005][1005];
int ar[1005];
int f[1005];
bool da = false;
void back(int k) {
    if (k == n + 1) {
        K--;

        if (K == 0) {
            for (int i = 1; i <= k - 1; i++) {
                fout << ar[i] << ' ';
            }
            da = true;
        }

    }
    else {
        if (!da) {
            for (int i = 1; i <= n; i++) {
                if (a[ar[k - 1]][i] == 0 && f[i] == 0) {
                    ar[k] = i;
                    f[i] = 1;
                    back(k + 1);
                    f[i] = 0;
                }
            }
        }
       

    }
    

}


int main()
{
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    
    fin >> n >> K >> m;
    int x, y;
    for (int i = 1; i <= m; i++) {
        fin >> x >> y;
        a[x][y] = 1;
        a[y][x] = 1;
    }

    back(1);

    
    fin.close();
    fout.close();

}