結果
問題 | No.2740 Old Maid |
ユーザー | norioc |
提出日時 | 2024-04-24 23:54:02 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 1,788 bytes |
コンパイル時間 | 262 ms |
コンパイル使用メモリ | 81,920 KB |
実行使用メモリ | 174,992 KB |
最終ジャッジ日時 | 2024-11-07 09:14:19 |
合計ジャッジ時間 | 12,397 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | AC | 235 ms
174,992 KB |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | AC | 130 ms
97,704 KB |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | AC | 121 ms
95,300 KB |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | AC | 41 ms
51,840 KB |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | AC | 42 ms
52,352 KB |
testcase_50 | RE | - |
testcase_51 | AC | 41 ms
52,224 KB |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | AC | 42 ms
52,096 KB |
testcase_56 | AC | 42 ms
51,968 KB |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | AC | 42 ms
52,096 KB |
testcase_61 | RE | - |
testcase_62 | AC | 43 ms
51,968 KB |
testcase_63 | AC | 41 ms
51,712 KB |
testcase_64 | AC | 43 ms
52,096 KB |
ソースコード
class Node: def __init__(self, val): self.val = val self.prev = None self.next = None class LinkedList: def __init__(self): self.front = None self.back = None self.size = 0 # a の後ろに b をつなぐ def _join(self, a: Node, b: Node): a.next = b b.prev = a def append(self, val) -> Node: node = Node(val) if self.front is None: self.front = self.back = node else: self._join(self.back, node) self.back = node self.size += 1 return node def appendleft(self, val) -> Node: node = Node(val) if self.front is None: self.front = self.back = node else: self._join(node, self.front) self.front = node self.size += 1 return node def remove(self, node: Node): assert self.size > 0 if self.size == 1: self.front = self.back = None elif node is self.front: self.front = self.front.next elif node is self.back: self.back = self.back.prev else: prev = node.prev next = node.next prev.next = next next.prev = prev self.size -= 1 N = int(input()) P = list(map(lambda x: int(x)-1, input().split())) ll = LinkedList() p2node = {} for p in P: p2node[p] = ll.append(p) used = set() ans = [] for i in range(N): if i in used: continue node = p2node[i] next = node.next if next is None: continue # 2 つの要素が連蔵していない ans.append(node.val + 1) ans.append(next.val + 1) ll.remove(node) ll.remove(next) used.add(node.val) used.add(next.val) print(*ans)