結果
問題 | No.871 かえるのうた |
ユーザー | terasa |
提出日時 | 2022-05-31 09:40:53 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,666 bytes |
コンパイル時間 | 177 ms |
コンパイル使用メモリ | 82,512 KB |
実行使用メモリ | 99,400 KB |
最終ジャッジ日時 | 2024-09-21 01:10:11 |
合計ジャッジ時間 | 7,882 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 39 ms
57,016 KB |
testcase_01 | AC | 40 ms
55,708 KB |
testcase_02 | AC | 42 ms
56,240 KB |
testcase_03 | AC | 42 ms
56,408 KB |
testcase_04 | AC | 40 ms
55,580 KB |
testcase_05 | AC | 42 ms
55,968 KB |
testcase_06 | AC | 40 ms
55,836 KB |
testcase_07 | AC | 42 ms
55,460 KB |
testcase_08 | AC | 98 ms
77,804 KB |
testcase_09 | WA | - |
testcase_10 | AC | 71 ms
74,396 KB |
testcase_11 | AC | 85 ms
77,588 KB |
testcase_12 | AC | 140 ms
80,200 KB |
testcase_13 | WA | - |
testcase_14 | AC | 243 ms
97,776 KB |
testcase_15 | WA | - |
testcase_16 | AC | 334 ms
99,400 KB |
testcase_17 | AC | 211 ms
97,700 KB |
testcase_18 | AC | 103 ms
79,604 KB |
testcase_19 | WA | - |
testcase_20 | AC | 97 ms
77,928 KB |
testcase_21 | WA | - |
testcase_22 | AC | 42 ms
55,424 KB |
testcase_23 | AC | 43 ms
55,168 KB |
testcase_24 | AC | 41 ms
55,168 KB |
testcase_25 | WA | - |
testcase_26 | AC | 124 ms
78,592 KB |
testcase_27 | WA | - |
testcase_28 | AC | 42 ms
55,424 KB |
testcase_29 | AC | 160 ms
94,080 KB |
testcase_30 | WA | - |
testcase_31 | AC | 92 ms
77,088 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 136 ms
81,528 KB |
testcase_35 | WA | - |
testcase_36 | AC | 187 ms
97,948 KB |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | AC | 191 ms
93,440 KB |
testcase_41 | AC | 45 ms
54,656 KB |
testcase_42 | AC | 199 ms
93,440 KB |
testcase_43 | AC | 43 ms
55,296 KB |
testcase_44 | AC | 43 ms
55,680 KB |
testcase_45 | AC | 98 ms
77,312 KB |
testcase_46 | AC | 44 ms
54,912 KB |
testcase_47 | AC | 43 ms
54,784 KB |
testcase_48 | AC | 43 ms
55,296 KB |
ソースコード
import sys import pypyjit import itertools import heapq import math from collections import deque, defaultdict import bisect input = sys.stdin.readline sys.setrecursionlimit(10 ** 6) pypyjit.set_param('max_unroll_recursion=-1') def index_lt(a, x): 'return largest index s.t. A[i] < x or -1 if it does not exist' return bisect.bisect_left(a, x) - 1 def index_le(a, x): 'return largest index s.t. A[i] <= x or -1 if it does not exist' return bisect.bisect_right(a, x) - 1 def index_gt(a, x): 'return smallest index s.t. A[i] > x or len(a) if it does not exist' return bisect.bisect_right(a, x) def index_ge(a, x): 'return smallest index s.t. A[i] >= x or len(a) if it does not exist' return bisect.bisect_left(a, x) class SegTree: def __init__(self, N, func, e): self.N = N self.func = func self.X = [e] * (N << 1) self.e = e def build(self, seq): for i in range(self.N): self.X[self.N + i] = seq[i] for i in range(self.N)[::-1]: self.X[i] = self.func(self.X[i << 1], self.X[i << 1 | 1]) def add(self, i, x): i += self.N self.X[i] += x while i > 1: i >>= 1 self.X[i] = self.func(self.X[i << 1], self.X[i << 1 | 1]) def update(self, i, x): i += self.N self.X[i] = x while i > 1: i >>= 1 self.X[i] = self.func(self.X[i << 1], self.X[i << 1 | 1]) def query(self, L, R): L += self.N R += self.N vL = self.e vR = self.e while L < R: if L & 1: vL = self.func(vL, self.X[L]) L += 1 if R & 1: R -= 1 vR = self.func(self.X[R], vR) L >>= 1 R >>= 1 return self.func(vL, vR) N, K = map(int, input().split()) K -= 1 X = list(map(int, input().split())) A = list(map(int, input().split())) left = [] right = [] for i in range(N): l = index_ge(X, X[i] - A[i]) r = index_le(X, X[i] + A[i]) left.append(l) right.append(r) INF = 1 << 60 lst = SegTree(N, min, INF) rst = SegTree(N, max, -INF) lst.build(left) rst.build(right) E = [None] * N for i in range(N): l = lst.query(left[i], right[i] + 1) r = rst.query(left[i], right[i] + 1) E[i] = (max(l, 0), min(r, N - 1)) dq = deque([K]) visited = [False] * N l = INF r = -INF while len(dq) > 0: v = dq.popleft() if visited[v] is True: continue visited[v] = True l = min(l, v) r = max(r, v) for d in E[v]: if visited[d] is False: dq.append(d) print(r - l + 1)