結果

問題 No.3327 うるせぇ、ポリオミノぶつけんぞ
コンテスト
ユーザー こめだわら
提出日時 2025-01-10 09:26:14
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 2,178 ms / 3,000 ms
コード長 4,515 bytes
コンパイル時間 876 ms
コンパイル使用メモリ 82,176 KB
実行使用メモリ 247,916 KB
最終ジャッジ日時 2025-01-12 01:33:31
合計ジャッジ時間 29,951 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 24
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
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 = 0
        while (1 << self._log) < self._n:
            self._log += 1
        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()))
la=sorted(set(A))
da={j:i for i,j in enumerate(la)}

for i in range(N):
    A[i]=da[A[i]]
M=len(la)

from collections import *
D=[deque() for _ in range(M)]
for i in range(N):
    D[A[i]].append(i)

B=[10**18]*M
for i in range(N)[::-1]:
    B[A[i]]=i

min_st=SegTree(min,10**18,B)

B=[-10**18]*M
for i in range(N):
    B[A[i]]=i

max_st=SegTree(max,-10**18,B)

from bisect import *

for _ in range(Q):
    c,x=map(int,input().split())
    dx=bisect_right(la,x)
    if c==1:
        p=min_st.prod(dx,M)
        if p>=10**17:
            print(-1)
            continue
        print(p+1)
        v=A[p]
        A[p]=-1
        D[v].popleft()
        if len(D[v])==0:
            min_st.set(v,10**18)
            max_st.set(v,-10**18)
        else:
            min_st.set(v,D[v][0])
    else:
        p=max_st.prod(dx,M)
        if p<=-10**17:
            print(-1)
            continue
        print(p+1)
        v=A[p]
        A[p]=-1
        D[v].pop()
        if len(D[v])==0:
            min_st.set(v,10**18)
            max_st.set(v,-10**18)
        else:
            max_st.set(v,D[v][-1])
0