結果

問題 No.2292 Interval Union Find
ユーザー とりゐとりゐ
提出日時 2023-05-05 22:19:29
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 5,495 bytes
コンパイル時間 314 ms
コンパイル使用メモリ 82,304 KB
実行使用メモリ 142,660 KB
最終ジャッジ日時 2024-05-02 16:59:47
合計ジャッジ時間 102,167 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 76 ms
67,712 KB
testcase_01 AC 74 ms
67,712 KB
testcase_02 AC 78 ms
67,840 KB
testcase_03 AC 75 ms
67,712 KB
testcase_04 AC 1,126 ms
96,352 KB
testcase_05 WA -
testcase_06 AC 955 ms
92,588 KB
testcase_07 WA -
testcase_08 AC 1,236 ms
92,048 KB
testcase_09 AC 1,255 ms
93,956 KB
testcase_10 AC 1,166 ms
95,564 KB
testcase_11 AC 937 ms
88,632 KB
testcase_12 AC 1,752 ms
100,588 KB
testcase_13 AC 978 ms
94,548 KB
testcase_14 AC 1,051 ms
93,808 KB
testcase_15 AC 1,023 ms
91,520 KB
testcase_16 AC 1,096 ms
92,280 KB
testcase_17 AC 1,123 ms
90,088 KB
testcase_18 AC 2,649 ms
127,020 KB
testcase_19 AC 3,355 ms
110,996 KB
testcase_20 AC 4,109 ms
142,660 KB
testcase_21 WA -
testcase_22 AC 3,251 ms
110,620 KB
testcase_23 AC 3,182 ms
111,720 KB
testcase_24 AC 3,108 ms
108,688 KB
testcase_25 AC 3,140 ms
108,200 KB
testcase_26 AC 3,179 ms
109,588 KB
testcase_27 AC 3,130 ms
110,396 KB
testcase_28 AC 3,161 ms
113,752 KB
testcase_29 AC 3,125 ms
109,424 KB
testcase_30 AC 3,091 ms
109,568 KB
testcase_31 AC 3,123 ms
108,500 KB
testcase_32 AC 3,142 ms
109,348 KB
testcase_33 AC 3,063 ms
110,468 KB
testcase_34 AC 3,383 ms
107,740 KB
testcase_35 AC 3,158 ms
110,792 KB
testcase_36 AC 3,030 ms
107,964 KB
testcase_37 AC 3,127 ms
109,024 KB
testcase_38 AC 3,007 ms
110,324 KB
testcase_39 AC 3,005 ms
109,976 KB
testcase_40 AC 3,151 ms
108,912 KB
testcase_41 AC 407 ms
83,632 KB
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 WA -
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ソースコード

diff # 

from sys import stdin
input=lambda :stdin.readline()[:-1]

import math
from bisect import bisect_left, bisect_right
from typing import Generic, Iterable, Iterator, TypeVar, Union, List
T = TypeVar('T')

class SortedSet(Generic[T]):
    BUCKET_RATIO = 50
    REBUILD_RATIO = 170

    def _build(self, a=None) -> None:
        "Evenly divide `a` into buckets."
        if a is None: a = list(self)
        size = self.size = len(a)
        bucket_size = int(math.ceil(math.sqrt(size / self.BUCKET_RATIO)))
        self.a = [a[size * i // bucket_size : size * (i + 1) // bucket_size] for i in range(bucket_size)]
    
    def __init__(self, a: Iterable[T] = []) -> None:
        "Make a new SortedSet from iterable. / O(N) if sorted and unique / O(N log N)"
        a = list(a)
        if not all(a[i] < a[i + 1] for i in range(len(a) - 1)):
            a = sorted(set(a))
        self._build(a)

    def __iter__(self) -> Iterator[T]:
        for i in self.a:
            for j in i: yield j

    def __reversed__(self) -> Iterator[T]:
        for i in reversed(self.a):
            for j in reversed(i): yield j
    
    def __len__(self) -> int:
        return self.size
    
    def __repr__(self) -> str:
        return "SortedSet" + str(self.a)
    
    def __str__(self) -> str:
        s = str(list(self))
        return "{" + s[1 : len(s) - 1] + "}"

    def _find_bucket(self, x: T) -> List[T]:
        "Find the bucket which should contain x. self must not be empty."
        for a in self.a:
            if x <= a[-1]: return a
        return a

    def __contains__(self, x: T) -> bool:
        if self.size == 0: return False
        a = self._find_bucket(x)
        i = bisect_left(a, x)
        return i != len(a) and a[i] == x

    def add(self, x: T) -> bool:
        "Add an element and return True if added. / O(√N)"
        if self.size == 0:
            self.a = [[x]]
            self.size = 1
            return True
        a = self._find_bucket(x)
        i = bisect_left(a, x)
        if i != len(a) and a[i] == x: return False
        a.insert(i, x)
        self.size += 1
        if len(a) > len(self.a) * self.REBUILD_RATIO:
            self._build()
        return True

    def discard(self, x: T) -> bool:
        "Remove an element and return True if removed. / O(√N)"
        if self.size == 0: return False
        a = self._find_bucket(x)
        i = bisect_left(a, x)
        if i == len(a) or a[i] != x: return False
        a.pop(i)
        self.size -= 1
        if len(a) == 0: self._build()
        return True
    
    def lt(self, x: T) -> Union[T, None]:
        "Find the largest element < x, or None if it doesn't exist."
        for a in reversed(self.a):
            if a[0] < x:
                return a[bisect_left(a, x) - 1]

    def le(self, x: T) -> Union[T, None]:
        "Find the largest element <= x, or None if it doesn't exist."
        for a in reversed(self.a):
            if a[0] <= x:
                return a[bisect_right(a, x) - 1]

    def gt(self, x: T) -> Union[T, None]:
        "Find the smallest element > x, or None if it doesn't exist."
        for a in self.a:
            if a[-1] > x:
                return a[bisect_right(a, x)]

    def ge(self, x: T) -> Union[T, None]:
        "Find the smallest element >= x, or None if it doesn't exist."
        for a in self.a:
            if a[-1] >= x:
                return a[bisect_left(a, x)]
    
    def __getitem__(self, x: int) -> T:
        "Return the x-th element, or IndexError if it doesn't exist."
        if x < 0: x += self.size
        if x < 0: raise IndexError
        for a in self.a:
            if x < len(a): return a[x]
            x -= len(a)
        raise IndexError
    
    def index(self, x: T) -> int:
        "Count the number of elements < x."
        ans = 0
        for a in self.a:
            if a[-1] >= x:
                return ans + bisect_left(a, x)
            ans += len(a)
        return ans

    def index_right(self, x: T) -> int:
        "Count the number of elements <= x."
        ans = 0
        for a in self.a:
            if a[-1] > x:
                return ans + bisect_right(a, x)
            ans += len(a)
        return ans

inf=1<<30
S=SortedSet()
n,q=map(int,input().split())
for _ in range(q):
  query=list(map(int,input().split()))
  if query[0]==1:
    l,r=query[1:]
    L,R=l,r
    x=S.le([l,inf])
    if x!=None and x[0]<=l and r<=x[1]:
      continue
    if x!=None and l<=x[1]<=r:
      L=min(L,x[0])
    y=S.le([r,-inf])
    if y!=None and l<=y[0]<=r:
      R=max(R,y[1])
    while True:
      x=S.ge([L,L])
      if x!=None and L<=x[0] and x[1]<=R:
        S.discard(x)
      else:
        break
    S.add([L,R])
    
  elif query[0]==2:
    l,r=query[1:]
    x=S.le([l-1,inf])
    if x!=None and x[1]>=l+1:
      S.discard(x)
      S.add([x[0],l])
      if x[1]>=r:
        S.add([r,x[1]])
    
    y=S.le([r,inf])
    if y!=None and y[1]>=r:
      S.discard(y)
      S.add([r,y[1]])
      if y[0]<=l:
        S.add([y[0],l])
    
    while True:
      x=S.ge([l,l])
      if x!=None and l<=x[0]<=x[1]<=r:
        S.discard(x)
      else:
        break
  
  elif query[0]==3:
    u,v=query[1:]
    u,v=min(u,v),max(u,v)
    if u==v:
      print(1)
      continue
    x=S.le([u,inf])
    if x!=None and x[0]<=u<=v<=x[1]:
      print(1)
    else:
      print(0)
  
  elif query[0]==4:
    u=query[1]
    x=S.le([u,inf])
    if x!=None and x[0]<=u<=x[1]:
      print(x[1]-x[0]+1)
    else:
      print(1)
0