結果

問題 No.1332 Range Nearest Query
ユーザー penguinmanpenguinman
提出日時 2021-01-08 19:08:28
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,540 ms / 2,500 ms
コード長 3,944 bytes
コンパイル時間 128 ms
コンパイル使用メモリ 82,456 KB
実行使用メモリ 168,044 KB
最終ジャッジ日時 2024-04-27 19:58:19
合計ジャッジ時間 45,268 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
このコードへのチャレンジ
(要ログイン)

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 56 ms
68,288 KB
testcase_01 AC 57 ms
68,216 KB
testcase_02 AC 60 ms
68,580 KB
testcase_03 AC 1,348 ms
155,376 KB
testcase_04 AC 1,340 ms
155,652 KB
testcase_05 AC 1,348 ms
155,736 KB
testcase_06 AC 769 ms
161,984 KB
testcase_07 AC 777 ms
163,548 KB
testcase_08 AC 776 ms
161,668 KB
testcase_09 AC 774 ms
163,840 KB
testcase_10 AC 776 ms
163,764 KB
testcase_11 AC 759 ms
163,748 KB
testcase_12 AC 765 ms
163,480 KB
testcase_13 AC 773 ms
161,788 KB
testcase_14 AC 784 ms
163,504 KB
testcase_15 AC 763 ms
162,076 KB
testcase_16 AC 1,471 ms
167,220 KB
testcase_17 AC 1,484 ms
167,092 KB
testcase_18 AC 1,525 ms
167,120 KB
testcase_19 AC 1,540 ms
168,044 KB
testcase_20 AC 1,524 ms
167,604 KB
testcase_21 AC 1,509 ms
167,804 KB
testcase_22 AC 1,520 ms
167,864 KB
testcase_23 AC 1,466 ms
167,028 KB
testcase_24 AC 1,532 ms
167,192 KB
testcase_25 AC 1,503 ms
167,112 KB
testcase_26 AC 528 ms
157,132 KB
testcase_27 AC 537 ms
165,924 KB
testcase_28 AC 301 ms
93,984 KB
testcase_29 AC 335 ms
93,848 KB
testcase_30 AC 336 ms
93,652 KB
testcase_31 AC 243 ms
93,180 KB
testcase_32 AC 347 ms
94,912 KB
testcase_33 AC 344 ms
93,980 KB
testcase_34 AC 277 ms
93,460 KB
testcase_35 AC 316 ms
93,784 KB
testcase_36 AC 315 ms
93,504 KB
testcase_37 AC 318 ms
93,592 KB
testcase_38 AC 959 ms
138,756 KB
testcase_39 AC 455 ms
95,176 KB
testcase_40 AC 1,468 ms
167,048 KB
testcase_41 AC 610 ms
104,848 KB
testcase_42 AC 931 ms
141,724 KB
testcase_43 AC 708 ms
114,916 KB
testcase_44 AC 1,132 ms
138,252 KB
testcase_45 AC 1,064 ms
141,028 KB
testcase_46 AC 860 ms
133,424 KB
testcase_47 AC 1,028 ms
144,808 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 #

# Refernce: https://github.com/Mitarushi/ACL-Python
from typing import Callable, TypeVar, List

T = TypeVar('T')


class SegTree:
    def __init__(self, v: List[T], op: Callable[[T, T], T], e: Callable[[], T]) -> None:
        self._n = len(v)
        self.log = (self._n - 1).bit_length()
        self.size = 1 << self.log
        self.d = [e() for _ in range(2 * self.size)]
        self.op = op
        self.e = e
        for i in range(self._n):
            self.d[self.size + i] = v[i]
        for i in reversed(range(1, self.size)):
            self.__update__(i)

    @classmethod
    def init_e(cls, n: int, op: Callable[[T, T], T], e: Callable[[], T]) -> 'SegTree':
        return cls([e() for _ in range(n)], op, e)

    def set(self, p: int, x: T) -> 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) -> T:
        assert 0 <= p < self._n
        return self.d[p + self.size]

    def prod(self, l: int, r: int) -> T:
        assert 0 <= l <= self._n and 0 <= r <= self._n
        sml = self.e()
        smr = self.e()
        l += self.size
        r += self.size

        while l < r:
            if l & 1:
                sml = self.op(sml, self.d[l])
                l += 1
            if r & 1:
                r -= 1
                smr = self.op(self.d[r], smr)
            l >>= 1
            r >>= 1
        return self.op(sml, smr)

    def all_prod(self) -> T:
        return self.d[1]

    def max_right(self, l: int, f: Callable[[T], bool]):
        assert 0 <= l <= self._n
        assert f(self.e())
        if l == self._n:
            return self._n
        l += self.size
        sm = self.e()
        while True:
            while l % 2 == 0:
                l >>= 1
            if not f(self.op(sm, self.d[l])):
                while l < self.size:
                    l *= 2
                    if f(self.op(sm, self.d[l])):
                        sm = self.op(sm, self.d[l])
                        l += 1
                return l - self.size
            sm = self.op(sm, self.d[l])
            l += 1
            if (l & -l) == l:
                return self._n

    def min_left(self, r: int, f: Callable[[T], bool]):
        assert 0 <= r <= self._n
        assert f(self.e())
        if r == 0:
            return 0
        r += self.size
        sm = self.e()
        while True:
            r -= 1
            while r > 1 and r % 2:
                r >>= 1
            if not f(self.op(self.d[r], sm)):
                while r < self.size:
                    r = 2 * r + 1
                    if f(self.op(self.d[r], sm)):
                        sm = self.op(self.d[r], sm)
                        r -= 1
                return r + 1 - self.size
            sm = self.op(self.d[r], sm)
            if (r & -r) == r:
                return 0

    def __update__(self, k: int) -> None:
        self.d[k] = self.op(self.d[2 * k], self.d[2 * k + 1])

import sys
input=sys.stdin.readline

inf=int(1e9)
#入力
N=int(input())
X=list(map(int,input().split()))
Q=int(input())
l=[0]*Q
r=[0]*Q
x=[0]*Q
for i in range(Q):
    l[i],r[i],x[i]=map(int,input().split())
#sort
data=[[]for i in range(N+Q)]
for i in range(N):
    data[i]=[X[i],i]
for i in range(Q):
    data[i+N]=[x[i],i+N]
data.sort(key=lambda val:val[0])
#本題
ans=[-1]*Q
seg=SegTree([-1]*N,max,lambda: -1)
for i in data:
    if i[1]<N:
        seg.set(i[1],i[0])
    else:
        index=i[1]-N
        mem=seg.prod(l[index]-1,r[index])
        if mem!=-1:
            ans[index]=x[index]-mem
seg=SegTree([-1]*N,max,lambda: -1)
for i in reversed(data):
    if i[1]<N:
        seg.set(i[1],inf-i[0])
    else:
        index=i[1]-N
        mem=inf-seg.prod(l[index]-1,r[index])
        if mem!=inf+1 and (ans[index]==-1 or ans[index]>mem-x[index]):
            ans[index]=mem-x[index]
for i in ans:
    print(i)

0