結果
| 問題 | No.618 labo-index | 
| コンテスト | |
| ユーザー |  maspy | 
| 提出日時 | 2020-04-08 01:25:05 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                WA
                                 
                             | 
| 実行時間 | - | 
| コード長 | 2,551 bytes | 
| コンパイル時間 | 223 ms | 
| コンパイル使用メモリ | 81,988 KB | 
| 実行使用メモリ | 124,544 KB | 
| 最終ジャッジ日時 | 2024-07-08 11:38:24 | 
| 合計ジャッジ時間 | 8,785 ms | 
| ジャッジサーバーID (参考情報) | judge3 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 4 | 
| other | AC * 28 WA * 7 | 
ソースコード
#!/usr/bin/ python3.8
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
class BinaryIndexedTree():
    def __init__(self, seq):
        self.size = len(seq)
        self.depth = self.size.bit_length()
        self.build(seq)
    def build(self, seq):
        data = seq
        size = self.size
        for i, x in enumerate(data):
            j = i + (i & (-i))
            if j < size:
                data[j] += data[i]
        self.data = data
    def __repr__(self):
        return self.data.__repr__()
    def get_sum(self, i):
        data = self.data
        s = 0
        while i:
            s += data[i]
            i -= i & -i
        return s
    def add(self, i, x):
        data = self.data
        size = self.size
        while i < size:
            data[i] += x
            i += i & -i
    def find_kth_element(self, k):
        data = self.data
        size = self.size
        x, sx = 0, 0
        dx = 1 << (self.depth)
        for i in range(self.depth - 1, -1, -1):
            dx = (1 << i)
            if x + dx >= size:
                continue
            y = x + dx
            sy = sx + data[y]
            if sy < k:
                x, sx = y, sy
        return x + 1
Q = int(readline())
m = map(int, read().split())
query = tuple(zip(m, m))
nums = []
base = 0
for t, x in query:
    if t == 1:
        nums.append(x - base)
    elif t == 2:
        continue
    else:
        base += x
INF = 10 ** 18
nums.append(-INF)
nums.append(INF)
nums = sorted(set(nums))
num_rank = {x: i for i, x in enumerate(nums)}
def solve(bit, nums, full, base):
    if full == 0:
        return 0
    if nums[1] + base > full:
        return 0
    data = bit.data
    size = bit.size
    x, sx = 0, 0
    for i in range(bit.depth - 1, -1, -1):
        dx = (1 << i)
        if x + dx >= size:
            continue
        y = x + dx
        sy = sx + data[y]
        if y + 1 < len(nums) and full - sy >= nums[y + 1] + base:
            x, sx = y, sy
    cand = nums[x + 1] + base
    n = bit.get_sum(x + 1)
    if nums[x + 1] + 1 + base <= full - n:
        return full - n
    else:
        return cand
bit = BinaryIndexedTree([0] * (len(nums)))
base = 0
member = []
full = 0
for t, x in query:
    if t == 1:
        r = num_rank[x - base]
        member.append(r)
        bit.add(r, 1)
        full += 1
    elif t == 2:
        r = member[x - 1]
        bit.add(r, -1)
        full -= 1
    else:
        base += x
    print(solve(bit, nums, full, base))
            
            
            
        