Cod sursa(job #1318549)

Utilizator yololy97Olaru Bogdan-Ioan yololy97 Data 16 ianuarie 2015 08:15:53
Problema Dusman Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.85 kb
#include <cstdio>
using namespace std;
int n, m, K, x[1001], nr;
bool d[1001][1001], used[1001];
void write(){
    for(int i = 1; i <= n; ++i)
        printf("%d ", x[i]);
    printf("\n");
}
void bak(int k){
    if(k == n + 1){
        ++nr;
        if(nr == K)
            write();
    }
    else if(nr < K)
        for(int i = 1; i <= n; ++i){
            x[k] = i;
            if(!used[x[k]] && !d[x[k]][x[k - 1]]){
                used[x[k]] = true;
                bak(k + 1);
                used[x[k]] = false;
            }
        }
}
int main(){
    freopen("dusman.in", "r", stdin);
    freopen("dusman.out", "w", stdout);
    scanf("%d %d %d ", &n, &K, &m);
    for(int i = 1; i <= m; ++i){
        int x, y;
        scanf("%d %d", &x, &y);
        d[x][y] = true;
        d[y][x] = true;
    }
    bak(1);
    return 0;
}