Cod sursa(job #2482187)

Utilizator bleo16783FMI Bleotiu Cristian bleo16783 Data 27 octombrie 2019 21:03:17
Problema Dusman Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.93 kb
#include <iostream>
#include <fstream>
using namespace std;
#define N 1024
int n,m,k,x,y,a[N][N],ans[N],sel[N],v[N],finished,cnt;
void bkt (int it){
    if (finished)
        return;
    if (it == n){
        ++cnt;
        if (cnt == k){
            finished = 1;
            for (int i = 0; i < n; ++i)
            ans[i] = v[i];
        }
    }
    for (int i = 0; i < n && !finished; ++i)
    if (!sel[i]){
        if (!it || !a[v[it - 1]][i]){
            sel[i] = 1;
            v[it] = i;
            bkt (it + 1);
            v[it] = 0;
            sel[i] = 0;
        }
    }
}
int main()
{
    ifstream fin ("dusman.in");
    ofstream fout ("dusman.out");
    fin >> n >> k >> m;
    for (int i = 0; i < m; ++i){
        fin >> x >> y;
        --x;--y;
        a[x][y] = 1;
        a[y][x] = 1;
    }
    bkt (0);
    for (int i = 0; i < n; ++i)
        fout << ans[i] + 1 << " ";
    return 0;
}