結果

問題 No.1441 MErGe
ユーザー 已经死了已经死了
提出日時 2024-06-28 19:02:50
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 970 ms / 1,000 ms
コード長 9,807 bytes
コンパイル時間 185 ms
コンパイル使用メモリ 82,432 KB
実行使用メモリ 131,620 KB
最終ジャッジ日時 2024-06-28 19:03:15
合計ジャッジ時間 22,259 ms
ジャッジサーバーID
(参考情報)
judge2 / 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 141 ms
83,584 KB
testcase_01 AC 155 ms
83,584 KB
testcase_02 AC 144 ms
83,584 KB
testcase_03 AC 212 ms
84,608 KB
testcase_04 AC 220 ms
84,992 KB
testcase_05 AC 283 ms
85,504 KB
testcase_06 AC 249 ms
84,864 KB
testcase_07 AC 255 ms
84,992 KB
testcase_08 AC 431 ms
93,824 KB
testcase_09 AC 391 ms
92,544 KB
testcase_10 AC 473 ms
92,288 KB
testcase_11 AC 504 ms
89,856 KB
testcase_12 AC 487 ms
93,952 KB
testcase_13 AC 913 ms
128,656 KB
testcase_14 AC 852 ms
128,376 KB
testcase_15 AC 859 ms
124,480 KB
testcase_16 AC 796 ms
128,248 KB
testcase_17 AC 811 ms
124,328 KB
testcase_18 AC 675 ms
111,232 KB
testcase_19 AC 711 ms
114,944 KB
testcase_20 AC 611 ms
111,360 KB
testcase_21 AC 620 ms
112,256 KB
testcase_22 AC 706 ms
111,872 KB
testcase_23 AC 897 ms
129,532 KB
testcase_24 AC 910 ms
129,520 KB
testcase_25 AC 880 ms
129,652 KB
testcase_26 AC 970 ms
129,652 KB
testcase_27 AC 889 ms
131,620 KB
testcase_28 AC 581 ms
129,044 KB
testcase_29 AC 619 ms
129,396 KB
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ソースコード

diff #

import os,sys,random,threading
#sys.exit() 退出程序
from random import randint,choice,shuffle
#randint(a,b)从[a,b]范围随机选择一个数
#choice(seq)seq可以是一个列表,元组或字符串,从seq中随机选取一个元素
#shuffle(x)将一个可变的序列x中的元素打乱
from copy import deepcopy
from io import BytesIO,IOBase
from types import GeneratorType
from functools import lru_cache,reduce
#reduce(op,迭代对象)
from bisect import bisect_left,bisect_right
#bisect_left(x) 大于等于x的第一个下标
#bisect_right(x) 大于x的第一个下标
from collections import Counter,defaultdict,deque
from itertools import accumulate,combinations,permutations
#accumulate(a)用a序列生成一个累积迭代器,一般list化前面放个[0]做前缀和用
#combinations(a,k)a序列选k个 组合迭代器
#permutations(a,k)a序列选k个 排列迭代器
from heapq import  heapify,heappop,heappush
#heapify将列表转为堆
from typing import Generic,Iterable,Iterator,TypeVar,Union,List
from string import ascii_lowercase,ascii_uppercase,digits
#小写字母,大写字母,十进制数字
from math import ceil,floor,sqrt,pi,factorial,gcd,log,log10,log2,inf
#ceil向上取整,floor向下取整 ,sqrt开方 ,factorial阶乘
from decimal import Decimal,getcontext
#Decimal(s) 实例化Decimal对象,一般使用字符串
#getcontext().prec=100 修改精度
from sys import stdin, stdout, setrecursionlimit
input = lambda: sys.stdin.readline().rstrip("\r\n")
MI = lambda :map(int,input().split())
li = lambda :list(MI())
ii = lambda :int(input())
mod = int(1e9 + 7) #998244353
inf = int(1e20)
py = lambda :print("YES")
pn = lambda :print("NO")
DIRS = [(0, 1), (1, 0), (0, -1), (-1, 0)]  # 右下左上
DIRS8 = [(0, 1), (1, 1), (1, 0), (1, -1), (0, -1), (-1, -1), (-1, 0),(-1, 1)]  # →↘↓↙←↖↑↗

class BIT:
    """单点修改,区间和查询"""

    __slots__ = "size", "bit", "tree"

    def __init__(self, n: int):
        self.size = n
        self.bit = n.bit_length()
        self.tree = [0]*(n+1)

    def add(self, index: int, delta: int) -> None:
        # index 必须大于0
        while index <= self.size:
            self.tree[index]+=delta
            index += index & -index

    def _query(self, index: int) -> int: 
        res = 0
        while index > 0:
            res += self.tree[index]
            index -= index & -index
        return res

    def query(self, left: int, right: int) -> int:
        return self._query(right) - self._query(left - 1)
        
    def bisectLeft(self, k: int) -> int:
        """返回第一个前缀和大于等于k的位置pos
        1 <= pos <= self.size + 1
        """
        curSum, pos = 0, 0
        for i in range(self.bit, -1, -1):
            nextPos = pos + (1 << i)
            if nextPos <= self.size and curSum + self.tree[nextPos] < k:
                pos = nextPos
                curSum += self.tree[pos]
        return pos + 1

class SortedList:
    def __init__(self, iterable=[], _load=200):
        """Initialize sorted list instance."""
        values = sorted(iterable)
        self._len = _len = len(values);self._load = _load
        self._lists = _lists = [values[i:i + _load] for i in range(0, _len, _load)]
        self._list_lens = [len(_list) for _list in _lists]
        self._mins = [_list[0] for _list in _lists]
        self._fen_tree = [];self._rebuild = True
    def _fen_build(self):
        self._fen_tree[:] = self._list_lens
        _fen_tree = self._fen_tree
        for i in range(len(_fen_tree)):
            if i | i + 1 < len(_fen_tree):
                _fen_tree[i | i + 1] += _fen_tree[i]
        self._rebuild = False
    def _fen_update(self, index, value):
        if not self._rebuild:
            _fen_tree = self._fen_tree
            while index < len(_fen_tree):
                _fen_tree[index] += value
                index |= index + 1
    def _fen_query(self, end):
        if self._rebuild:self._fen_build()
        _fen_tree = self._fen_tree;x = 0
        while end:
            x += _fen_tree[end - 1]
            end &= end - 1
        return x
    def _fen_findkth(self, k):
        _list_lens = self._list_lens
        if k < _list_lens[0]:return 0, k
        if k >= self._len - _list_lens[-1]:
            return len(_list_lens) - 1, k + _list_lens[-1] - self._len
        if self._rebuild:self._fen_build()
        _fen_tree = self._fen_tree
        idx = -1
        for d in reversed(range(len(_fen_tree).bit_length())):
            right_idx = idx + (1 << d)
            if right_idx < len(_fen_tree) and k >= _fen_tree[right_idx]:
                idx = right_idx
                k -= _fen_tree[idx]
        return idx + 1, k
    def _delete(self, pos, idx):
        _lists = self._lists
        _mins = self._mins
        _list_lens = self._list_lens
        self._len -= 1
        self._fen_update(pos, -1)
        del _lists[pos][idx]
        _list_lens[pos] -= 1
        if _list_lens[pos]:_mins[pos] = _lists[pos][0]
        else:
            del _lists[pos]
            del _list_lens[pos]
            del _mins[pos]
            self._rebuild = True
    def _loc_left(self, value):
        if not self._len:return 0, 0
        _lists = self._lists
        _mins = self._mins
        lo, pos = -1, len(_lists) - 1
        while lo + 1 < pos:
            mi = (lo + pos) >> 1
            if value <= _mins[mi]:pos = mi
            else:lo = mi
        if pos and value <= _lists[pos - 1][-1]:pos -= 1
        _list = _lists[pos]
        lo, idx = -1, len(_list)
        while lo + 1 < idx:
            mi = (lo + idx) >> 1
            if value <= _list[mi]:idx = mi
            else:lo = mi
        return pos, idx
    def _loc_right(self, value):
        if not self._len:return 0, 0
        _lists = self._lists
        _mins = self._mins
        pos, hi = 0, len(_lists)
        while pos + 1 < hi:
            mi = (pos + hi) >> 1
            if value < _mins[mi]:hi = mi
            else:pos = mi
        _list = _lists[pos]
        lo, idx = -1, len(_list)
        while lo + 1 < idx:
            mi = (lo + idx) >> 1
            if value < _list[mi]:idx = mi
            else:lo = mi
        return pos, idx
    def add(self, value):
        _load = self._load
        _lists = self._lists
        _mins = self._mins
        _list_lens = self._list_lens
        self._len += 1
        if _lists:
            pos, idx = self._loc_right(value)
            self._fen_update(pos, 1)
            _list = _lists[pos]
            _list.insert(idx, value)
            _list_lens[pos] += 1
            _mins[pos] = _list[0]
            if _load + _load < len(_list):
                _lists.insert(pos + 1, _list[_load:])
                _list_lens.insert(pos + 1, len(_list) - _load)
                _mins.insert(pos + 1, _list[_load])
                _list_lens[pos] = _load
                del _list[_load:]
                self._rebuild = True
        else:
            _lists.append([value])
            _mins.append(value)
            _list_lens.append(1)
            self._rebuild = True
    def discard(self, value):
        _lists = self._lists
        if _lists:
            pos, idx = self._loc_right(value)
            if idx and _lists[pos][idx - 1] == value:
                self._delete(pos, idx - 1)
    def remove(self, value):
        _len = self._len
        self.discard(value)
        if _len == self._len:raise Valueerror('{0!r} not in list'.format(value))
    def pop(self, index=-1):
        pos, idx = self._fen_findkth(self._len + index if index < 0 else index)
        value = self._lists[pos][idx]
        self._delete(pos, idx)
        return value
    def bisect_left(self, value):
        pos, idx = self._loc_left(value)
        return self._fen_query(pos) + idx
    def bisect_right(self, value):
        pos, idx = self._loc_right(value)
        return self._fen_query(pos) + idx
    def count(self, value):
        return self.bisect_right(value) - self.bisect_left(value)
    def __len__(self):
        return self._len
    def __getitem__(self, index):
        pos, idx = self._fen_findkth(self._len + index if index < 0 else index)
        return self._lists[pos][idx]
    def __delitem__(self, index):
        pos, idx = self._fen_findkth(self._len + index if index < 0 else index)
        self._delete(pos, idx)
    def __contains__(self, value):
        _lists = self._lists
        if _lists:
            pos, idx = self._loc_left(value)
            return idx < len(_lists[pos]) and _lists[pos][idx] == value
        return False
    def __iter__(self):
        return (value for _list in self._lists for value in _list)
    def __reversed__(self):
        return (value for _list in reversed(self._lists) for value in reversed(_list))
    def __repr__(self):
        return 'SortedList({0})'.format(list(self))


class chain:
    def __init__(self,n):
        #维护每个节点的前驱后继,初始时每个点的前驱和后继都是自己
        self.nxtfa=list(range(n+2))
        self.prefa=list(range(n+2))

    def nxt(self,x):
        t=x;fa=self.nxtfa
        while fa[x]!=x:
            x=fa[x]
        while t!=x:
            fa[t],t=x,fa[t]
        return x

    def pre(self,x):
        t=x;fa=self.prefa
        while fa[x]!=x:
            x=fa[x]
        while t!=x:
            fa[t],t=x,fa[t]
        return x

    def remove(self,x):
        self.nxtfa[x]=self.nxt(x+1)
        self.prefa[x]=self.pre(x-1)

n,q=li()

a=[0]+li()

sl=SortedList(list(range(n+5)))

un=chain(n+5)

pre=list(accumulate(a))

for _ in range(q):
    op,l,r=li()
    st,ed=sl[l],sl[r+1]-1
    if op==2:
        print(pre[ed]-pre[st-1])
    else:
        idx=un.nxt(st+1)
        while idx<=ed:
            sl.remove(idx)
            un.remove(idx)
            idx=un.nxt(idx+1)



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