結果
問題 |
No.899 γatheree
|
ユーザー |
![]() |
提出日時 | 2025-05-14 12:47:26 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,456 bytes |
コンパイル時間 | 256 ms |
コンパイル使用メモリ | 82,420 KB |
実行使用メモリ | 147,896 KB |
最終ジャッジ日時 | 2025-05-14 12:49:18 |
合計ジャッジ時間 | 9,896 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 from sys import stdin def main(): sys.setrecursionlimit(1 << 25) input = sys.stdin.read().split() ptr = 0 N = int(input[ptr]) ptr += 1 adj = [set() for _ in range(N)] for _ in range(N-1): u = int(input[ptr]) v = int(input[ptr+1]) adj[u].add(v) adj[v].add(u) ptr += 2 A = list(map(int, input[ptr:ptr+N])) ptr += N Q = int(input[ptr]) ptr += 1 queries = list(map(int, input[ptr:ptr+Q])) state = [0] * N # 0: initial, 1: active as center, 2: deactivated current_value = [0] * N for i in range(N): current_value[i] = A[i] for x in queries: sum_val = 0 # Process x itself if state[x] != 2: sum_val += current_value[x] state[x] = 2 # Temporarily mark as deactivated # Process direct neighbors for y in adj[x]: if state[y] != 2: sum_val += current_value[y] state[y] = 2 # Process neighbors of neighbors adj_x = adj[x] for y in adj[x]: for z in adj[y]: if z == x or z in adj_x: continue if state[z] != 2: sum_val += current_value[z] state[z] = 2 # Reactivate x and set its value state[x] = 1 current_value[x] = sum_val print(sum_val) if __name__ == '__main__': main()