Cod sursa(job #1281111)

Utilizator smaraldaSmaranda Dinu smaralda Data 2 decembrie 2014 20:54:57
Problema Pioni Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.36 kb
#include<stdio.h>
#include<vector>
using namespace std;

#define ITERATOR vector<int>::iterator
const int NMAX = 20005;

vector <int> graph[NMAX], sol;
bool win[NMAX], vis[NMAX];
int son[NMAX], in[NMAX];

void dfs (int node) {
    vis[node] = 1;
    for(ITERATOR it = graph[node].begin(); it != graph[node].end(); ++ it) {
        if(!vis[*it])
            dfs(*it);

        if(!win[*it]) {
            win[node] = 1;
            son[node] = *it;
        }
    }
}

int main() {
    freopen("pioni.in", "r", stdin);
    freopen("pioni.out", "w", stdout);
    int nTests, test, n, m, i, x, y;

    scanf("%d%d%d", &nTests, &n, &m);
    for(i = 1; i <= m; ++ i) {
        scanf("%d%d", &x, &y);
        graph[x].push_back(y);
        ++ in[y];
    }

    for(i = 1; i <= n; ++ i)
        if(!in[i])
            dfs(i);

    for(test = 1; test <= nTests; ++ test) {
        scanf("%d", &n);

        sol.clear();
        for(i = 1; i <= n; ++ i) {
            scanf("%d", &x);
            if(win[x])
                sol.push_back(x);
        }

        if(sol.size()) {
            printf("Nargy\n%d", sol.size());
            for(ITERATOR it = sol.begin(); it != sol.end(); ++ it)
                printf(" %d %d", *it, son[*it]);
            printf("\n");
        }
        else
            printf("Fumeanu\n");
    }
    return 0;
}