#941668 (PyPy3) No.875 Range Mindex Query

• 問題: No.875 Range Mindex Query
• ユーザー: ntuda
• 提出日時: 2024-01-02 21:17:41
• 言語: PyPy3 (7.3.15)
• 結果: WA
• 実行時間: -
• コード長: 3,898 bytes
• コンパイル時間: 310 ms
• コンパイル使用メモリ: 82,620 KB
• 実行使用メモリ: 99,704 KB
• 最終ジャッジ日時: 2024-09-27 17:53:26
• 合計ジャッジ時間: 8,253 ms
• ジャッジサーバーID （参考情報）: judge4 / judge1

ファイルパターン	結果
sample	AC * 1
other	AC * 4 WA * 14

ソースコード

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import typing
def _ceil_pow2(n: int) -> int:
    x = 0
    while (1 << x) < n:
        x += 1
    return x
def _bsf(n: int) -> int:
    x = 0
    while n % 2 == 0:
        x += 1
        n //= 2
    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])
N, Q = map(int, input().split())
A = list(map(int, input().split()))
A2 = [(N + 1,0)]
for i, a in enumerate(A, start=1):
    A2.append((a, i))
ST = SegTree(min, (N + 1, 0), A2)
for _ in range(Q):
    t, l, r = map(int, input().split())
    if t == 1:
        L = A2[l][0]
        R = A2[r][0]
        ST.set(l, (R, l))
        ST.set(r, (L, r))
    else:
        print(ST.prod(l, r + 1)[1])
 
 
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