10381 | 2024. 04. 01 16:51:58 | MagyarKendeSZLG | Túra (75 pont) | cpp17 | Elfogadva 75/75 | 35ms | 4608 KiB |
#include <bits/stdc++.h>
using namespace std;
void solve() {
int N;
cin >> N;
vector<bool> ugly(N + 1);
vector<int> uglyNeighbor(N + 1);
for (int i = 1; i <= N; i++) {
int A;
cin >> A;
ugly[i] = A == -1;
}
bool running = true;
for (int i = 1; i < N; i++) {
int U, V;
cin >> U >> V;
if (running) {
running = 0;
if (ugly[U] && ugly[V]) {
cout << "NEM\n2\n" << U << " " << V << "\n";
}
else if (uglyNeighbor[U] && ugly[V]) {
cout << "NEM\n3\n" << uglyNeighbor[U] << " " << U << " " << V << "\n";
}
else if (ugly[U] && uglyNeighbor[V]) {
cout << "NEM\n3\n" << uglyNeighbor[V] << " " << V << " " << U << "\n";
}
else running = 1;
}
if (ugly[U]) {
uglyNeighbor[V] = U;
}
if (ugly[V]) {
uglyNeighbor[U] = V;
}
}
if (running) cout << "IGEN\n";
}
int main() {
cin.tie(0), ios::sync_with_stdio(0);
int T;
cin >> T;
while (T--) solve();
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 75/75 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1696 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 1932 KiB | |||
3 | Elfogadva | 6/6 | 3ms | 2144 KiB | |||
4 | Elfogadva | 3/3 | 4ms | 2508 KiB | |||
5 | Elfogadva | 3/3 | 4ms | 2432 KiB | |||
6 | Elfogadva | 4/4 | 4ms | 2436 KiB | |||
7 | Elfogadva | 4/4 | 4ms | 2564 KiB | |||
8 | Elfogadva | 4/4 | 4ms | 2628 KiB | |||
9 | Elfogadva | 2/2 | 28ms | 2912 KiB | |||
10 | Elfogadva | 2/2 | 29ms | 3128 KiB | |||
11 | Elfogadva | 2/2 | 29ms | 3296 KiB | |||
12 | Elfogadva | 2/2 | 29ms | 3508 KiB | |||
13 | Elfogadva | 2/2 | 29ms | 3820 KiB | |||
14 | Elfogadva | 3/3 | 29ms | 3932 KiB | |||
15 | Elfogadva | 2/2 | 29ms | 3892 KiB | |||
16 | Elfogadva | 2/2 | 29ms | 3944 KiB | |||
17 | Elfogadva | 2/2 | 29ms | 4008 KiB | |||
18 | Elfogadva | 2/2 | 29ms | 4000 KiB | |||
19 | Elfogadva | 3/3 | 29ms | 3948 KiB | |||
20 | Elfogadva | 2/2 | 30ms | 3884 KiB | |||
21 | Elfogadva | 2/2 | 30ms | 3940 KiB | |||
22 | Elfogadva | 3/3 | 32ms | 3888 KiB | |||
23 | Elfogadva | 2/2 | 32ms | 4536 KiB | |||
24 | Elfogadva | 2/2 | 32ms | 4536 KiB | |||
25 | Elfogadva | 2/2 | 32ms | 4224 KiB | |||
26 | Elfogadva | 2/2 | 32ms | 4224 KiB | |||
27 | Elfogadva | 2/2 | 32ms | 4224 KiB | |||
28 | Elfogadva | 2/2 | 30ms | 4288 KiB | |||
29 | Elfogadva | 2/2 | 34ms | 4300 KiB | |||
30 | Elfogadva | 2/2 | 32ms | 4372 KiB | |||
31 | Elfogadva | 2/2 | 34ms | 4292 KiB | |||
32 | Elfogadva | 2/2 | 35ms | 4608 KiB |