結果
| 問題 |
No.899 γatheree
|
| コンテスト | |
| ユーザー |
qwewe
|
| 提出日時 | 2025-04-24 12:23:24 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 2,045 bytes |
| コンパイル時間 | 217 ms |
| コンパイル使用メモリ | 82,032 KB |
| 実行使用メモリ | 846,240 KB |
| 最終ジャッジ日時 | 2025-04-24 12:25:32 |
| 合計ジャッジ時間 | 15,255 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 MLE * 1 -- * 2 |
ソースコード
import sys
from collections import deque
def main():
sys.setrecursionlimit(1 << 25)
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
edges = [[] for _ in range(N)]
for _ in range(N-1):
u = int(input[ptr])
v = int(input[ptr+1])
ptr +=2
edges[u].append(v)
edges[v].append(u)
root = 0
parent = [-1] * N
children = [[] for _ in range(N)]
visited = [False] * N
q = deque([root])
visited[root] = True
while q:
u = q.popleft()
for v in edges[u]:
if not visited[v] and v != parent[u]:
parent[v] = u
children[u].append(v)
visited[v] = True
q.append(v)
siblings = [[] for _ in range(N)]
for x in range(N):
p = parent[x]
if p == -1:
continue
siblings[x] = [child for child in children[p] if child != x]
grandchildren = [[] for _ in range(N)]
for x in range(N):
gc = []
for child in children[x]:
gc.extend(children[child])
grandchildren[x] = gc
grandparent = [-1] * N
for x in range(N):
if parent[x] != -1:
gp = parent[parent[x]]
if gp != -1:
grandparent[x] = gp
A = list(map(int, input[ptr:ptr+N]))
ptr += N
Q = int(input[ptr])
ptr +=1
for _ in range(Q):
x = int(input[ptr])
ptr +=1
nodes = set()
nodes.add(x)
p = parent[x]
if p != -1:
nodes.add(p)
for child in children[x]:
nodes.add(child)
for sib in siblings[x]:
nodes.add(sib)
for gc in grandchildren[x]:
nodes.add(gc)
gp = grandparent[x]
if gp != -1:
nodes.add(gp)
total = 0
for node in nodes:
total += A[node]
for node in nodes:
A[node] = 0
A[x] = total
print(total)
if __name__ == "__main__":
main()
qwewe