結果

問題 No.1332 Range Nearest Query
ユーザー penguinmanpenguinman
提出日時 2021-01-08 18:43:59
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,423 ms / 2,500 ms
コード長 3,914 bytes
コンパイル時間 177 ms
コンパイル使用メモリ 82,048 KB
実行使用メモリ 131,108 KB
最終ジャッジ日時 2024-04-27 19:33:02
合計ジャッジ時間 43,386 ms
ジャッジサーバーID
(参考情報)
judge1 / 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 66 ms
67,840 KB
testcase_01 AC 67 ms
67,840 KB
testcase_02 AC 66 ms
67,968 KB
testcase_03 AC 1,356 ms
120,576 KB
testcase_04 AC 1,341 ms
119,940 KB
testcase_05 AC 1,103 ms
120,064 KB
testcase_06 AC 673 ms
130,520 KB
testcase_07 AC 690 ms
130,684 KB
testcase_08 AC 673 ms
130,460 KB
testcase_09 AC 669 ms
130,540 KB
testcase_10 AC 686 ms
130,932 KB
testcase_11 AC 669 ms
131,108 KB
testcase_12 AC 671 ms
130,560 KB
testcase_13 AC 686 ms
130,816 KB
testcase_14 AC 686 ms
130,560 KB
testcase_15 AC 674 ms
130,560 KB
testcase_16 AC 1,273 ms
130,560 KB
testcase_17 AC 1,399 ms
131,068 KB
testcase_18 AC 1,267 ms
130,816 KB
testcase_19 AC 1,423 ms
130,860 KB
testcase_20 AC 1,368 ms
130,464 KB
testcase_21 AC 1,340 ms
131,036 KB
testcase_22 AC 1,199 ms
130,948 KB
testcase_23 AC 1,343 ms
130,516 KB
testcase_24 AC 1,176 ms
130,548 KB
testcase_25 AC 1,346 ms
131,036 KB
testcase_26 AC 465 ms
130,476 KB
testcase_27 AC 508 ms
130,468 KB
testcase_28 AC 252 ms
85,780 KB
testcase_29 AC 342 ms
84,824 KB
testcase_30 AC 400 ms
85,448 KB
testcase_31 AC 156 ms
87,788 KB
testcase_32 AC 404 ms
86,704 KB
testcase_33 AC 375 ms
85,280 KB
testcase_34 AC 200 ms
86,572 KB
testcase_35 AC 251 ms
85,720 KB
testcase_36 AC 241 ms
85,956 KB
testcase_37 AC 347 ms
85,340 KB
testcase_38 AC 973 ms
113,516 KB
testcase_39 AC 513 ms
87,164 KB
testcase_40 AC 1,329 ms
126,716 KB
testcase_41 AC 677 ms
95,808 KB
testcase_42 AC 1,014 ms
114,272 KB
testcase_43 AC 937 ms
106,372 KB
testcase_44 AC 1,225 ms
115,212 KB
testcase_45 AC 1,178 ms
120,556 KB
testcase_46 AC 1,020 ms
112,544 KB
testcase_47 AC 1,134 ms
118,080 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
import bisect
#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())
#座圧
A=sorted(X)
#クエリ先読み
query_index=[[]for i in range(N)]
for i in range(Q):
    query_index[r[i]-1].append(i)
#本題
seg=SegTree([-1]*N,max,lambda: -1)
ans=[-1]*Q
for i in range(N):
    seg.set(bisect.bisect_left(A,X[i]),i)
    for j in query_index[i]:
        now=bisect.bisect_left(A,x[j])
        index=seg.max_right(now,lambda v: v<l[j]-1)
        if index<N and (ans[j]==-1 or ans[j]>A[index]-x[j]):
            ans[j]=A[index]-x[j]
        if now==0:
            continue
        index=seg.min_left(now,lambda v: v<l[j]-1)-1
        if index>=0 and (ans[j]==-1 or ans[j]>x[j]-A[index]):
            ans[j]=x[j]-A[index]
for i in ans:
    print(i)




    
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