Cod sursa(job #2481552)

Utilizator dianamichesaRosu Diana Michesa dianamichesa Data 27 octombrie 2019 06:19:41
Problema Dusman Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.86 kb
#include<fstream>
using namespace std;
int x[1010], viz[1010], n, m, k, cnt;
bool gr[1010][1010];
ifstream in ("dusman.in");
ofstream out ("dusman.out");
void print(int k)
{
    for( int i = 1; i <= k; i ++)
        out << x[i] << " ";
    out << '\n';
}
void bkt(int p)
{
    if (cnt > k) {
        return;
    }
    if (p == n + 1){
        ++ cnt;
        if (cnt == k) {
            print (n);
            return;
        }
    }
    for (int i = 1; i <= n; i++ )
      if (!viz[i]) {
        if (!gr[i][x[p - 1]]) {
            x[p] = i;
            viz[i] = 1;
            bkt (p + 1);
            viz[i] = 0;
        }
      }
}
int main ()
{
    in >> n >> k >> m;
    for (int i = 1; i <= m; i ++) {
        int x, y;
        in >> x >> y;
        gr[x][y] = true;
        gr[y][x] = true;
    }
    bkt (1);
    return 0;
}