結果
問題 | No.1675 Strange Minimum Query |
ユーザー | rlangevin |
提出日時 | 2023-04-25 00:26:14 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,294 bytes |
コンパイル時間 | 223 ms |
コンパイル使用メモリ | 82,552 KB |
実行使用メモリ | 131,080 KB |
最終ジャッジ日時 | 2024-11-09 00:55:07 |
合計ジャッジ時間 | 37,937 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(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 | 40 ms
52,864 KB |
testcase_01 | AC | 37 ms
52,736 KB |
testcase_02 | AC | 37 ms
52,608 KB |
testcase_03 | AC | 1,016 ms
101,112 KB |
testcase_04 | AC | 884 ms
99,800 KB |
testcase_05 | AC | 166 ms
82,516 KB |
testcase_06 | AC | 1,258 ms
105,588 KB |
testcase_07 | AC | 1,330 ms
108,616 KB |
testcase_08 | AC | 44 ms
60,544 KB |
testcase_09 | AC | 95 ms
76,672 KB |
testcase_10 | AC | 681 ms
109,544 KB |
testcase_11 | AC | 313 ms
97,632 KB |
testcase_12 | AC | 761 ms
111,320 KB |
testcase_13 | AC | 966 ms
119,560 KB |
testcase_14 | AC | 828 ms
129,776 KB |
testcase_15 | AC | 1,085 ms
129,088 KB |
testcase_16 | AC | 36 ms
52,352 KB |
testcase_17 | AC | 420 ms
86,840 KB |
testcase_18 | AC | 512 ms
89,344 KB |
testcase_19 | AC | 700 ms
107,012 KB |
testcase_20 | AC | 1,390 ms
114,460 KB |
testcase_21 | AC | 1,267 ms
114,840 KB |
testcase_22 | AC | 1,433 ms
120,536 KB |
testcase_23 | AC | 1,209 ms
102,496 KB |
testcase_24 | AC | 1,060 ms
106,360 KB |
testcase_25 | AC | 822 ms
94,500 KB |
testcase_26 | AC | 479 ms
93,124 KB |
testcase_27 | AC | 1,117 ms
113,312 KB |
testcase_28 | AC | 580 ms
103,040 KB |
testcase_29 | AC | 548 ms
102,928 KB |
testcase_30 | AC | 476 ms
92,884 KB |
testcase_31 | AC | 1,561 ms
111,764 KB |
testcase_32 | TLE | - |
testcase_33 | TLE | - |
testcase_34 | TLE | - |
testcase_35 | AC | 1,802 ms
130,584 KB |
testcase_36 | AC | 1,824 ms
130,540 KB |
ソースコード
import sys readline = sys.stdin.readline class LazySegmentTree: def __init__( self, n, indentity_e_node, indentity_e_lazy, combine_node_f, combine_lazy_f, reflect_f, ): self._n = n self._size = 1 self._height = 0 while self._size < self._n: self._size <<= 1 self._height += 1 self._indentity_e_node = indentity_e_node self._indentity_e_lazy = indentity_e_lazy self._combine_node_f = combine_node_f self._combine_lazy_f = combine_lazy_f self._reflect_f = reflect_f self._node = [self._indentity_e_node] * (2 * self._size) self._lazy = [self._indentity_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._size for h in range(self._height, 0, -1): i = index >> h if self._lazy[i] != self._indentity_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._indentity_e_lazy def _update_from_bottom(self, index): index = (index + self._size) >> 1 while index: self._node[index] = self._combine_node_f( self._reflect_lazy(index << 1), self._reflect_lazy(index << 1 | 1) ) index >>= 1 def build(self, array): assert len(array) == self._n for index, value in enumerate(array, start=self._size): self._node[index] = value for 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._size R_lazy = R + self._size while L_lazy < R_lazy: if L_lazy & 1: self._lazy[L_lazy] = self._combine_lazy_f(self._lazy[L_lazy], value) L_lazy += 1 if R_lazy & 1: R_lazy -= 1 self._lazy[R_lazy] = self._combine_lazy_f(self._lazy[R_lazy], value) L_lazy >>= 1 R_lazy >>= 1 self._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._size R += self._size value_L = self._indentity_e_node value_R = self._indentity_e_node while L < R: if L & 1: value_L = self._combine_node_f(value_L, self._reflect_lazy(L)) L += 1 if R & 1: R -= 1 value_R = self._combine_node_f(value_R, self._reflect_lazy(R)) L >>= 1 R >>= 1 return self._combine_node_f(value_L, value_R) def combine_lazy(L, R): return R def reflect(node, lazy): if lazy < 0: return node else: return lazy N, Q = map(int, readline().split()) D = [] for i in range(Q): L, R, B = map(int, readline().split()) D.append((B, L, R)) D.sort() T = LazySegmentTree(N, 10**9, -1, min, combine_lazy, reflect) for B, L, R in D: T.update(L - 1, R, B) for B, L, R in D: if T.fold(L - 1, R) != B: print(-1) exit() ans = [] for i in range(N): ans.append(T.fold(i, i + 1)) print(*ans)