Cod sursa(job #424445)

Utilizator andrei.12Andrei Parvu andrei.12 Data 24 martie 2010 21:03:13
Problema Pioni Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.19 kb
#include<stdio.h>
#include<vector>

using namespace std;

const int lg = 30002;

int n, m, x, y, i, j, tot, teste, ind, prc[lg], val[lg], next[lg], k, cit[lg], mx;
bool fst[lg];
vector<int> v[lg], w[lg];

void df(int nod){
	fst[nod] = 1;

	for (int i = 0; i < (int)v[nod].size(); i ++)
		if (!fst[ v[nod][i] ])
			df(v[nod][i]);

	prc[++ ind] = nod;
}

int main()
{
	freopen("pioni.in", "rt", stdin);
	freopen("pioni.out", "wt", stdout);

	scanf("%d%d%d", &teste, &n, &m);
	for (i = 1; i <= m; i ++){
		scanf("%d%d", &x, &y);

		v[y].push_back(x);
		w[x].push_back(y);
	}

	for (i = 1; i <= n; i ++)
		if (!w[i].size())
			df(i);

	for (i = n; i; i --){
		x = prc[i];

		for (j = 0, mx = 0; j < (int)w[x].size(); j ++){
			mx = max(mx, val[ w[x][j] ]);

			if (!val[ w[x][j] ])
				next[x] = w[x][j];
		}

		if (w[x].size() > 0)
			val[x] = 1 - mx;
	}

	while (teste --){
		scanf("%d", &k);

		for (i = 1, tot = 0; i <= k; i ++){
			scanf("%d", &cit[i]);

			if (val[ cit[i] ] == 1)
				tot ++;
		}

		if (!tot)
			printf("Fumeanu\n");
		else{
			printf("Nargy\n%d ", tot);

			for (i = 1; i <= k; i ++)
				if (val[ cit[i] ] == 1)
					printf("%d %d ", cit[i], next[ cit[i] ]);
			printf("\n");
		}
	}

	return 0;
}