結果
問題 | No.2650 [Cherry 6th Tune *] セイジャク |
ユーザー |
![]() |
提出日時 | 2024-02-23 21:56:39 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,014 ms / 2,500 ms |
コード長 | 5,086 bytes |
コンパイル時間 | 198 ms |
コンパイル使用メモリ | 82,032 KB |
実行使用メモリ | 180,704 KB |
最終ジャッジ日時 | 2024-09-29 06:29:47 |
合計ジャッジ時間 | 27,014 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 31 |
ソースコード
import sysinput = sys.stdin.readlineclass LazySegmentTree:def __init__(self,n,identity_e_node,identity_e_lazy,combine_node_f,combine_lazy_f,reflect_f,):self._n = nself._size = 1self._height = 0while self._size < self._n:self._size <<= 1self._height += 1self._identity_e_node = identity_e_nodeself._identity_e_lazy = identity_e_lazyself._combine_node_f = combine_node_fself._combine_lazy_f = combine_lazy_fself._reflect_f = reflect_fself._node = [self._identity_e_node] * (2 * self._size)self._lazy = [self._identity_e_lazy] * (2 * self._size)#遅延データの値を値データに反映させたときの値を返す。def _reflect_lazy(self, index):return self._reflect_f(self._node[index], self._lazy[index])def _propagate_from_top(self, index):index += self._sizefor h in range(self._height, 0, -1):i = index >> hif self._lazy[i] != self._identity_e_lazy:self._lazy[i << 1] = self._combine_lazy_f(self._lazy[i << 1], self._lazy[i])self._lazy[i << 1 | 1] = self._combine_lazy_f(self._lazy[i << 1 | 1], self._lazy[i])self._node[i] = self._reflect_lazy(i)self._lazy[i] = self._identity_e_lazydef _update_from_bottom(self, index):index = (index + self._size) >> 1while index:self._node[index] = self._combine_node_f(self._reflect_lazy(index << 1),self._reflect_lazy(index << 1 | 1))index >>= 1def build(self, array):assert len(array) == self._nfor index, value in enumerate(array, start=self._size):self._node[index] = valuefor index in range(self._size - 1, 0, -1):self._node[index] = self._combine_node_f(self._node[index << 1],self._node[index << 1 | 1])# 区間更新 位置[L, R) (0-indexed)を値valueで更新def update(self, L, R, value):self._propagate_from_top(L)self._propagate_from_top(R - 1)L_lazy = L + self._sizeR_lazy = R + self._sizewhile L_lazy < R_lazy:if L_lazy & 1:self._lazy[L_lazy] = self._combine_lazy_f(self._lazy[L_lazy], value)L_lazy += 1if R_lazy & 1:R_lazy -= 1self._lazy[R_lazy] = self._combine_lazy_f(self._lazy[R_lazy], value)L_lazy >>= 1R_lazy >>= 1self._update_from_bottom(L)self._update_from_bottom(R - 1)# 区間取得 区間[L, R) (0-indexed)内の要素について# L番目から順にcombine_node_fを適用した値を返す。def fold(self, L, R):self._propagate_from_top(L)self._propagate_from_top(R - 1)L += self._sizeR += self._sizevalue_L = self._identity_e_nodevalue_R = self._identity_e_nodewhile L < R:if L & 1:value_L = self._combine_node_f(value_L, self._reflect_lazy(L))L += 1if R & 1:R -= 1value_R = self._combine_node_f(self._reflect_lazy(R), value_R)L >>= 1R >>= 1return self._combine_node_f(value_L, value_R)def __str__(self):temp = []for i in range(self._n):temp.append(str(self.fold(i, i + 1)))return ' '.join(temp)# 上書き更新する場合def combine_lazy_f(lhs, rhs):if rhs == -1:return lhsreturn rhsdef reflect_f(node, lazy):if lazy < 0:return nodereturn lazyfrom bisect import *from copy import deepcopydef compress(lst):'''B: lstを座圧したリストidx_to_val: indexから元の値を取得するリストval_to_idx: 元の値からindexを取得する辞書'''B = []val_to_idx = {}idx_to_val = deepcopy(lst)idx_to_val = list(set(idx_to_val))idx_to_val.sort()for i in range(len(lst)):ind = bisect_left(idx_to_val, lst[i])B.append(ind)for i in range(len(B)):val_to_idx[lst[i]] = B[i]return B, idx_to_val, val_to_idxN, A = map(int, input().split())X = list(map(int, input().split()))T = int(input())L, R = [0] * T, [0] * Tfor i in range(T):L[i], R[i] = map(int, input().split())B, iv, vi = compress(X + L + R)M = N + 2 * T + 5from operator import addLT = LazySegmentTree(M,0,-1,add,combine_lazy_f,reflect_f)for i in range(T):LT.update(vi[L[i]], vi[R[i]] + 1, i + 1)for i in range(N):ans = LT.fold(vi[X[i]], vi[X[i]] + 1)print(ans) if ans else print(-1)