結果

問題 No.1332 Range Nearest Query
ユーザー penguinmanpenguinman
提出日時 2020-11-23 05:22:27
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 2,118 ms / 2,500 ms
コード長 3,506 bytes
コンパイル時間 298 ms
コンパイル使用メモリ 82,176 KB
実行使用メモリ 141,800 KB
最終ジャッジ日時 2024-07-23 17:14:40
合計ジャッジ時間 58,145 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
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 42 ms
52,992 KB
testcase_01 AC 43 ms
53,120 KB
testcase_02 AC 42 ms
52,608 KB
testcase_03 AC 1,866 ms
127,736 KB
testcase_04 AC 1,843 ms
127,916 KB
testcase_05 AC 1,848 ms
127,920 KB
testcase_06 AC 898 ms
141,732 KB
testcase_07 AC 892 ms
141,268 KB
testcase_08 AC 896 ms
141,388 KB
testcase_09 AC 890 ms
141,648 KB
testcase_10 AC 902 ms
141,520 KB
testcase_11 AC 907 ms
141,392 KB
testcase_12 AC 891 ms
141,268 KB
testcase_13 AC 887 ms
141,536 KB
testcase_14 AC 890 ms
141,004 KB
testcase_15 AC 889 ms
141,256 KB
testcase_16 AC 2,058 ms
141,520 KB
testcase_17 AC 2,064 ms
141,264 KB
testcase_18 AC 2,118 ms
141,252 KB
testcase_19 AC 2,111 ms
141,516 KB
testcase_20 AC 2,085 ms
141,520 KB
testcase_21 AC 2,054 ms
141,448 KB
testcase_22 AC 2,014 ms
141,396 KB
testcase_23 AC 2,103 ms
141,268 KB
testcase_24 AC 2,012 ms
141,516 KB
testcase_25 AC 2,007 ms
141,636 KB
testcase_26 AC 500 ms
141,800 KB
testcase_27 AC 514 ms
141,332 KB
testcase_28 AC 411 ms
85,692 KB
testcase_29 AC 412 ms
85,760 KB
testcase_30 AC 423 ms
86,144 KB
testcase_31 AC 341 ms
85,376 KB
testcase_32 AC 427 ms
86,452 KB
testcase_33 AC 427 ms
86,060 KB
testcase_34 AC 382 ms
86,016 KB
testcase_35 AC 410 ms
86,272 KB
testcase_36 AC 404 ms
86,016 KB
testcase_37 AC 414 ms
86,340 KB
testcase_38 AC 1,296 ms
102,964 KB
testcase_39 AC 619 ms
87,824 KB
testcase_40 AC 1,977 ms
135,104 KB
testcase_41 AC 841 ms
92,360 KB
testcase_42 AC 1,251 ms
101,468 KB
testcase_43 AC 999 ms
98,048 KB
testcase_44 AC 1,628 ms
117,592 KB
testcase_45 AC 1,518 ms
113,624 KB
testcase_46 AC 1,173 ms
99,456 KB
testcase_47 AC 1,412 ms
104,576 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://atcoder.jp/contests/practice2/submissions/16814531
class SegTree():
    def __init__(self, a, func, idem):
        # the number of nodes is 2n - 1
        self.n = 1 << len(a).bit_length()
        self.size = len(a)
        self.func = func
        self.idem = idem # Identity element
        self.node = [idem] * (2 * self.n - 1)
        for i in range(len(a) + self.n - 2, -1, -1):
            if i >= self.n - 1:
                self.node[i] = a[i - self.n + 1]
            else:
                self.node[i] = self.func(self.node[2 * i + 1], self.node[2 * i + 2])
            
    def get(self, x):
        return self.node[x + self.n - 1]

    def set(self, x, val):
        x += self.n - 1
        self.node[x] = val
        while x > 0:
            x = (x - 1) >> 1
            self.node[x] = self.func(self.node[2*x+1], self.node[2*x+2])
        return
    
    def prod(self, l, r):
        L, R = l + self.n, r + self.n
        s_l, s_r = self.idem, self.idem
        while L < R:
            if R & 1:
                R -= 1
                s_r = self.func(self.node[R-1], s_r)
            if L & 1:
                s_l = s_l = self.func(s_l, self.node[L-1])
                L += 1
            L >>= 1
            R >>= 1
        return self.func(s_l, s_r)

    def max_right(self, l, val):
        if l == self.size:
            return self.size
        L = l + self.n
        s = self.idem
        while 1:
            while L % 2 == 0:
                L >>= 1
            if not val(self.func(s, self.node[L - 1])):
                while L < self.n:
                    L <<= 1
                    if val(self.func(s, self.node[L-1])):
                        s = self.func(s, self.node[L-1])
                        L += 1
                return L - self.n
            s = self.func(s, self.node[L - 1])
            L += 1
            if (L & -L) == L:
                return self.size

    def min_left(self, r, val):
        if r == 0:
            return 0
        R = r + self.n
        s = self.idem
        while True:
            R -= 1
            while R > 1 and R % 2:
                R >>= 1
            if not val(self.func(self.node[R - 1], s)):
                while R < self.n:
                    R = (R << 1) + 1
                    if val(self.func(self.node[R - 1], s)):
                        s = self.func(self.node[R - 1], s)
                        R -= 1
                return R + 1 - self.n
            s = self.func(self.node[R - 1], s)
            if (R & -R) == R:
                return 0

import sys
input=sys.stdin.readline
import bisect

inf=int(1e9)
N=int(input())
X=list(map(int,input().split()))
Q=int(input())
#data[i][1] が正ならクエリ、そうでなければ座標
data=[[] for i in range(N+Q)]
left=[0]*Q
right=[0]*Q
for i in range(N):
    data[i]=(X[i],-i)
for i in range(Q):
    left[i],right[i],x=map(int, input().split())
    data[i+N]=(x,i+1)
ans=[inf]*Q
A=[-inf]*N
seg=SegTree(A,max,-inf)
data.sort()
for i in range(N+Q):
    if data[i][1]<=0:
        seg.set(-data[i][1],data[i][0])
    else:
        index=data[i][1]-1
        ans[index]=min(ans[index],data[i][0]-seg.prod(left[index]-1,right[index]))
for i in range(len(seg.node)):
    seg.node[i]=-inf
for a in range(N+Q):
    i=N+Q-1-a
    if data[i][1]<=0:
        seg.set(-data[i][1],inf-data[i][0])
    else:
        index=data[i][1]-1
        ans[index]=min(ans[index],inf-data[i][0]-seg.prod(left[index]-1,right[index]))
for i in range(Q):
    print(ans[i])
0