Cod sursa(job #2718933)

Utilizator PredescuSebastianIonPredescu Sebastian Ion PredescuSebastianIon Data 9 martie 2021 13:13:10
Problema Pioni Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.14 kb
#include <bits/stdc++.h>

using namespace std;
ifstream f("pioni.in");
ofstream g("pioni.out");
const int DIM = 20005;
bool vis[DIM], dp[DIM];
int nxt[DIM];
vector<int> edg[DIM], ans;
void dfs(int x)
{
    if (vis[x])
        return;
    vis[x] = true;
    for (int y : edg[x])
    {
        dfs(y);
        if (!dp[y])
        {
            dp[x] = true;
            nxt[x] = y;
        }
    }
}

int main(void)
{
    int t, n, m;
    f>>t>>n>>m;
    for (int i = 1; i <= m; ++i)
    {
        int x, y;
        f>> x >> y;
        edg[x].push_back(y);
    }
    for (int i = 1; i <= n; ++i)
        dfs(i);
    while (t--)
    {
        ans.clear();
        int k;
        f>> k;
        for (int i = 1; i <= k; ++i)
        {
            int x;
            f>> x;
            if (dp[x])
                ans.push_back(x);
        }
        if (ans.size())
        {
            g<< "Nargy\n";
            g<< ans.size() << " ";
            for (int x : ans)
                g<< x << " " << nxt[x] << " ";
            g<< "\n";
        }
        else
            g<< "Fumeanu\n";
    }
    return 0;
}