結果
| 問題 |
No.899 γatheree
|
| コンテスト | |
| ユーザー |
qwewe
|
| 提出日時 | 2025-04-24 12:22:59 |
| 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 | 188 ms |
| コンパイル使用メモリ | 82,300 KB |
| 実行使用メモリ | 137,228 KB |
| 最終ジャッジ日時 | 2025-04-24 12:25:02 |
| 合計ジャッジ時間 | 12,362 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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()
qwewe