結果

問題 No.875 Range Mindex Query
ユーザー norioc
提出日時 2024-06-11 05:03:12
言語 PyPy3
(7.3.15)
結果
RE  
実行時間 -
コード長 3,750 bytes
コンパイル時間 481 ms
コンパイル使用メモリ 82,468 KB
実行使用メモリ 71,108 KB
最終ジャッジ日時 2025-01-03 10:58:19
合計ジャッジ時間 4,190 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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ファイルパターン 結果
sample RE * 1
other RE * 18
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 #
プレゼンテーションモードにする

import typing
import atcoder._bit
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 = atcoder._bit._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])
INF = 1 << 60
N, Q = map(int, input().split())
A = list(map(int, input().split()))
segt = SegTree(min, (INF, INF), [(a, i+1) for i, a in enumerate(A)])
for _ in range(Q):
    t, l, r = map(int, input().split())
    if t == 1:
        a, _ = segt.get(l-1)
        b, _ = segt.get(r-1)
        segt.set(l-1, (b, l))
        segt.set(r-1, (a, r))
    else:
        _, p = segt.prod(l-1, r)
        print(p)
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