結果

問題 No.876 Range Compress Query
ユーザー noriocnorioc
提出日時 2024-06-11 23:08:52
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 416 ms / 2,000 ms
コード長 4,134 bytes
コンパイル時間 537 ms
コンパイル使用メモリ 81,944 KB
実行使用メモリ 105,908 KB
最終ジャッジ日時 2024-06-11 23:09:00
合計ジャッジ時間 6,138 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge5
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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 62 ms
67,748 KB
testcase_01 AC 94 ms
78,540 KB
testcase_02 AC 65 ms
70,084 KB
testcase_03 AC 97 ms
78,708 KB
testcase_04 AC 74 ms
71,508 KB
testcase_05 AC 69 ms
70,704 KB
testcase_06 AC 98 ms
77,872 KB
testcase_07 AC 93 ms
78,388 KB
testcase_08 AC 90 ms
77,828 KB
testcase_09 AC 89 ms
78,376 KB
testcase_10 AC 90 ms
78,340 KB
testcase_11 AC 401 ms
98,580 KB
testcase_12 AC 340 ms
96,304 KB
testcase_13 AC 336 ms
98,484 KB
testcase_14 AC 409 ms
98,268 KB
testcase_15 AC 304 ms
101,876 KB
testcase_16 AC 370 ms
104,896 KB
testcase_17 AC 380 ms
105,908 KB
testcase_18 AC 416 ms
105,548 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

import typing
import sys
input = sys.stdin.readline


def _ceil_pow2(n: int) -> int:
    x = 0
    while (1 << x) < n:
        x += 1

    return x


class SegTree:
    def __init__(self,
                 op: typing.Callable[[typing.Any, typing.Any], typing.Any],
                 e: typing.Any,
                 v: typing.Union[int, typing.List[typing.Any]]) -> None:
        self._op = op
        self._e = e

        if isinstance(v, int):
            v = [e] * v

        self._n = len(v)
        self._log = _ceil_pow2(self._n)
        self._size = 1 << self._log
        self._d = [e] * (2 * self._size)

        for i in range(self._n):
            self._d[self._size + i] = v[i]
        for i in range(self._size - 1, 0, -1):
            self._update(i)

    def set(self, p: int, x: typing.Any) -> None:
        assert 0 <= p < self._n

        p += self._size
        self._d[p] = x
        for i in range(1, self._log + 1):
            self._update(p >> i)

    def get(self, p: int) -> typing.Any:
        assert 0 <= p < self._n

        return self._d[p + self._size]

    def prod(self, left: int, right: int) -> typing.Any:
        assert 0 <= left <= right <= self._n
        sml = self._e
        smr = self._e
        left += self._size
        right += self._size

        while left < right:
            if left & 1:
                sml = self._op(sml, self._d[left])
                left += 1
            if right & 1:
                right -= 1
                smr = self._op(self._d[right], smr)
            left >>= 1
            right >>= 1

        return self._op(sml, smr)

    def all_prod(self) -> typing.Any:
        return self._d[1]

    def max_right(self, left: int,
                  f: typing.Callable[[typing.Any], bool]) -> int:
        assert 0 <= left <= self._n
        assert f(self._e)

        if left == self._n:
            return self._n

        left += self._size
        sm = self._e

        first = True
        while first or (left & -left) != left:
            first = False
            while left % 2 == 0:
                left >>= 1
            if not f(self._op(sm, self._d[left])):
                while left < self._size:
                    left *= 2
                    if f(self._op(sm, self._d[left])):
                        sm = self._op(sm, self._d[left])
                        left += 1
                return left - self._size
            sm = self._op(sm, self._d[left])
            left += 1

        return self._n

    def min_left(self, right: int,
                 f: typing.Callable[[typing.Any], bool]) -> int:
        assert 0 <= right <= self._n
        assert f(self._e)

        if right == 0:
            return 0

        right += self._size
        sm = self._e

        first = True
        while first or (right & -right) != right:
            first = False
            right -= 1
            while right > 1 and right % 2:
                right >>= 1
            if not f(self._op(self._d[right], sm)):
                while right < self._size:
                    right = 2 * right + 1
                    if f(self._op(self._d[right], sm)):
                        sm = self._op(self._d[right], sm)
                        right -= 1
                return right + 1 - self._size
            sm = self._op(self._d[right], sm)

        return 0

    def _update(self, k: int) -> None:
        self._d[k] = self._op(self._d[2 * k], self._d[2 * k + 1])


from itertools import pairwise

INF = 1 << 60
N, Q = map(int, input().split())
A = list(map(int, input().split()))

diffs = []
for a, b in pairwise(A):
    diffs.append(b - a)
diffs.append(0)  # dummy

segt = SegTree(lambda a, b: a+b, 0, [d != 0 for d in diffs])
for _ in range(Q):
    a = list(map(int, input().split()))
    match a:
        case (1, l, r, x):
            l -= 1
            r -= 1
            if l > 0:
                diffs[l-1] += x
                segt.set(l-1, diffs[l-1] != 0)
            diffs[r] -= x
            segt.set(r, diffs[r] != 0)
        case (2, l, r):
            l -= 1
            r -= 1
            res = segt.prod(l, r) + 1
            print(res)
0