結果
| 問題 |
No.961 Vibrant Fillumination
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-03-20 18:53:51 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,304 bytes |
| コンパイル時間 | 249 ms |
| コンパイル使用メモリ | 82,304 KB |
| 実行使用メモリ | 130,880 KB |
| 最終ジャッジ日時 | 2025-03-20 18:56:02 |
| 合計ジャッジ時間 | 39,562 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 4 WA * 44 |
ソースコード
import sys
class FenwickTree:
def __init__(self, size):
self.n = size
self.tree = [0] * (self.n + 2) # 1-based indexing
def update_point(self, idx, val):
idx += 1 # Convert 0-based to 1-based
while idx <= self.n + 1: # Ensure we don't go out of bounds
self.tree[idx] ^= val
idx += idx & -idx
def query_prefix(self, idx):
idx += 1 # Convert 0-based to 1-based
res = 0
while idx > 0:
res ^= self.tree[idx]
idx -= idx & -idx
return res
def range_xor(self, l, r, val):
self.update_point(l, val)
self.update_point(r + 1, val)
def main():
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
h = list(map(int, input[ptr:ptr+N]))
ptr += N
events = []
max_y = 0
for _ in range(N):
a = int(input[ptr])
b = int(input[ptr+1])
c = int(input[ptr+2])
d = int(input[ptr+3])
e = int(input[ptr+4])
ptr +=5
start_x = a
end_x = c
L = b
R = d -1
# Start event (type 1)
events.append( (start_x, 1, e, L, R) )
# End event (type 0)
events.append( (end_x, 0, e, L, R) )
max_y = max(max_y, R)
Q = int(input[ptr])
ptr +=1
queries = []
for q_idx in range(Q):
p = int(input[ptr])
q = int(input[ptr+1])
ptr +=2
queries.append( (p, q, q_idx) )
max_y = max(max_y, q)
# Merge events and queries
for p, q, idx in queries:
events.append( (p, 2, q, idx) )
# Sort the events
events.sort(key=lambda x: (x[0], x[1]))
# Initialize Fenwick Tree
ft_size = max_y + 2 # To handle R+1 up to max_y +1
fenwick = FenwickTree(ft_size)
# Process events
ans = [0] * Q
for event in events:
x = event[0]
typ = event[1]
if typ == 0 or typ == 1:
e_i, L, R = event[2], event[3], event[4]
h_val = h[e_i - 1]
fenwick.range_xor(L, R, h_val)
else:
q, idx = event[2], event[3]
res = fenwick.query_prefix(q)
ans[idx] = res
# Output the answers in order
for a in ans:
print(a)
if __name__ == '__main__':
main()
lam6er