結果
問題 |
No.899 γatheree
|
ユーザー |
![]() |
提出日時 | 2025-05-14 13:21:22 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,387 bytes |
コンパイル時間 | 188 ms |
コンパイル使用メモリ | 82,212 KB |
実行使用メモリ | 270,448 KB |
最終ジャッジ日時 | 2025-05-14 13:23:52 |
合計ジャッジ時間 | 9,799 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 20 TLE * 1 -- * 2 |
ソースコード
import sys def main(): N = int(sys.stdin.readline()) adj = [[] for _ in range(N)] for _ in range(N - 1): u, v = map(int, sys.stdin.readline().split()) adj[u].append(v) adj[v].append(u) fairies = list(map(int, sys.stdin.readline().split())) Q_count = int(sys.stdin.readline()) output_lines = [] for _ in range(Q_count): x_query = int(sys.stdin.readline()) nodes_to_affect = set() # Add x_query (distance 0) nodes_to_affect.add(x_query) # Add direct neighbors of x_query (distance 1) # Also, for each direct neighbor, add its neighbors (these form distance 2 candidates) for neighbor_of_x in adj[x_query]: nodes_to_affect.add(neighbor_of_x) # Add neighbors of this neighbor_of_x for neighbor_of_neighbor in adj[neighbor_of_x]: nodes_to_affect.add(neighbor_of_neighbor) total_fairies_at_x_query_after_move = 0 for node_v in nodes_to_affect: total_fairies_at_x_query_after_move += fairies[node_v] fairies[node_v] = 0 fairies[x_query] = total_fairies_at_x_query_after_move output_lines.append(str(fairies[x_query])) sys.stdout.write("\n".join(output_lines) + "\n") if __name__ == '__main__': main()