Cod sursa(job #1390188)

Utilizator felixiPuscasu Felix felixi Data 16 martie 2015 21:42:16
Problema Dusman Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.83 kb
#include <fstream>

using namespace std;

ifstream in("dusman.in");
ofstream out("dusman.out");

const int NMAX = 1000;

int N,M,K;
bool G[NMAX+2][NMAX+2], viz[NMAX+2];
int v[NMAX+2];

void Solve() {
    for( int i = 1;  i <= N;  ++i ) out << v[i] << ' ';
}

void BKT( int pas ) {
    if( pas == N+1 && K > 0 ) {
        --K;
        if( K == 0 ) Solve();
    }
    else if( K > 0 ){
        for( int i = 1;  i <= N;  ++i ) {
            if( !viz[i] && !G[ v[pas-1] ][ i ] ) {
                v[pas] = i;
                viz[i] = 1;
                BKT( pas+1 );
                viz[i] = 0;
            }
        }
    }
}

int main() {
    in >> N >> K >> M;
    for( int i = 1;  i <= M;  ++i ) {
        int x,y;
        in >> x >> y;
        G[x][y] = G[y][x] = 1;
    }
    BKT(1);
    return 0;
}