結果
問題 | No.649 ここでちょっとQK! |
ユーザー | 👑 rin204 |
提出日時 | 2022-07-04 14:16:37 |
言語 | PyPy3 (7.3.15) |
結果 |
MLE
|
実行時間 | - |
コード長 | 3,706 bytes |
コンパイル時間 | 682 ms |
コンパイル使用メモリ | 82,256 KB |
実行使用メモリ | 661,400 KB |
最終ジャッジ日時 | 2024-05-08 03:31:42 |
合計ジャッジ時間 | 33,062 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(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 | 38 ms
53,368 KB |
testcase_01 | AC | 39 ms
53,668 KB |
testcase_02 | AC | 39 ms
54,116 KB |
testcase_03 | AC | 449 ms
76,288 KB |
testcase_04 | AC | 396 ms
109,096 KB |
testcase_05 | AC | 401 ms
108,920 KB |
testcase_06 | AC | 321 ms
76,604 KB |
testcase_07 | AC | 41 ms
54,248 KB |
testcase_08 | AC | 40 ms
53,204 KB |
testcase_09 | AC | 41 ms
53,972 KB |
testcase_10 | AC | 40 ms
53,448 KB |
testcase_11 | AC | 38 ms
53,640 KB |
testcase_12 | AC | 1,033 ms
355,112 KB |
testcase_13 | AC | 1,025 ms
353,684 KB |
testcase_14 | AC | 969 ms
330,132 KB |
testcase_15 | AC | 1,133 ms
364,384 KB |
testcase_16 | AC | 1,342 ms
387,492 KB |
testcase_17 | AC | 1,427 ms
419,796 KB |
testcase_18 | AC | 1,549 ms
445,560 KB |
testcase_19 | AC | 1,605 ms
465,168 KB |
testcase_20 | AC | 1,818 ms
500,364 KB |
testcase_21 | MLE | - |
testcase_22 | MLE | - |
testcase_23 | MLE | - |
testcase_24 | MLE | - |
testcase_25 | MLE | - |
testcase_26 | MLE | - |
testcase_27 | AC | 80 ms
74,372 KB |
testcase_28 | AC | 79 ms
73,812 KB |
testcase_29 | AC | 79 ms
74,428 KB |
testcase_30 | AC | 361 ms
88,452 KB |
testcase_31 | AC | 394 ms
89,628 KB |
testcase_32 | AC | 40 ms
53,988 KB |
testcase_33 | AC | 40 ms
52,980 KB |
testcase_34 | AC | 37 ms
53,584 KB |
testcase_35 | AC | 37 ms
53,632 KB |
ソースコード
class Binary_Trie_Vertex: def __init__(self): self.left = None self.right = None self.parent = None self.size = 0 class Binary_Trie: def __init__(self, logn, ismulti = False): self.logn = logn self.root = Binary_Trie_Vertex() self.bi = [1 << i for i in range(logn)] self.multi = ismulti def add(self, x): V = self.root plus = False for i in range(self.logn - 1, -1, -1): if x >> i & 1: if V.right is None: V.right = Binary_Trie_Vertex() V.right.parent = V plus = True V = V.right else: if V.left is None: V.left = Binary_Trie_Vertex() V.left.parent = V plus = True V = V.left if plus or self.multi: while V.parent is not None: V.size += 1 V = V.parent V.size += 1 def remove(self, x): V = self.root for i in range(self.logn - 1, -1, -1): if x >> i & 1: if V.right is None: return False V = V.right else: if V.left is None: return False V = V.left V2 = V while V2.parent is not None: V2.size -= 1 V2 = V2.parent V2.size -= 1 while V.size == 0 and V != self.root: P = V.parent if P.right == V: P.right = None else: P.left = None if P.right is None and P.left is None: pass else: return True V = P return True def search(self, x): V = self.root for i in range(self.logn - 1, -1, -1): if x >> i & 1: if V.right is None: return False V = V.right else: if V.left is None: return False V = V.left return True def xor_min(self, x): xor = 0 V = self.root for i in range(self.logn - 1, -1, -1): if x >> i & 1: if V.right is not None: V = V.right else: xor += self.bi[i] V = V.left else: if V.left is not None: V = V.left else: xor += self.bi[i] V = V.right return xor def __getitem__(self, k): return self.Kth_element(k) def Kth_element(self, k): if k < 0: k = self.root.size + k k += 1 if k > self.root.size or k <= 0: return None ret = 0 V = self.root for i in range(self.logn - 1, -1, -1): if V.left is None: ret += self.bi[i] V = V.right elif V.right is None: V = V.left elif V.left.size >= k: V = V.left else: ret += self.bi[i] k -= V.left.size V = V.right return ret Q, k = map(int, input().split()) bt = Binary_Trie(60, True) for _ in range(Q): query = list(map(int, input().split())) if query[0] == 1: bt.add(query[1]) else: ans = bt[k - 1] if ans is None: print(-1) else: print(ans) bt.remove(ans)