結果
問題 | No.1675 Strange Minimum Query |
ユーザー | rlangevin |
提出日時 | 2023-04-25 00:28:56 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,679 ms / 2,000 ms |
コード長 | 4,425 bytes |
コンパイル時間 | 391 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 128,356 KB |
最終ジャッジ日時 | 2024-11-09 00:56:37 |
合計ジャッジ時間 | 33,578 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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
52,992 KB |
testcase_01 | AC | 40 ms
53,120 KB |
testcase_02 | AC | 40 ms
52,864 KB |
testcase_03 | AC | 940 ms
95,016 KB |
testcase_04 | AC | 847 ms
95,168 KB |
testcase_05 | AC | 193 ms
83,120 KB |
testcase_06 | AC | 1,121 ms
98,376 KB |
testcase_07 | AC | 1,215 ms
100,576 KB |
testcase_08 | AC | 48 ms
60,416 KB |
testcase_09 | AC | 101 ms
76,416 KB |
testcase_10 | AC | 753 ms
107,084 KB |
testcase_11 | AC | 359 ms
98,496 KB |
testcase_12 | AC | 834 ms
109,896 KB |
testcase_13 | AC | 924 ms
111,312 KB |
testcase_14 | AC | 781 ms
109,488 KB |
testcase_15 | AC | 1,234 ms
128,356 KB |
testcase_16 | AC | 41 ms
52,864 KB |
testcase_17 | AC | 397 ms
84,496 KB |
testcase_18 | AC | 475 ms
85,996 KB |
testcase_19 | AC | 644 ms
104,424 KB |
testcase_20 | AC | 1,139 ms
103,612 KB |
testcase_21 | AC | 1,112 ms
106,276 KB |
testcase_22 | AC | 1,170 ms
108,596 KB |
testcase_23 | AC | 931 ms
90,712 KB |
testcase_24 | AC | 880 ms
95,652 KB |
testcase_25 | AC | 684 ms
87,536 KB |
testcase_26 | AC | 441 ms
89,672 KB |
testcase_27 | AC | 959 ms
107,580 KB |
testcase_28 | AC | 535 ms
99,232 KB |
testcase_29 | AC | 538 ms
101,412 KB |
testcase_30 | AC | 440 ms
89,592 KB |
testcase_31 | AC | 1,123 ms
95,336 KB |
testcase_32 | AC | 1,593 ms
112,708 KB |
testcase_33 | AC | 1,679 ms
112,016 KB |
testcase_34 | AC | 1,655 ms
112,360 KB |
testcase_35 | AC | 1,317 ms
112,520 KB |
testcase_36 | AC | 1,322 ms
112,540 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 M = 200005 def f(B, L, R): return R + L * M + B * M * M N, Q = map(int, readline().split()) D = [] for i in range(Q): L, R, B = map(int, readline().split()) D.append(f(B, L, R)) D.sort() T = LazySegmentTree(N, 10**9, -1, min, combine_lazy, reflect) for v in D: R = v % M B, L = divmod(v//M, M) T.update(L - 1, R, B) for v in D: R = v % M B, L = divmod(v//M, M) 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)