結果

問題 No.318 学学学学学
ユーザー t8m8⛄️t8m8⛄️
提出日時 2017-06-09 15:46:37
言語 Nim
(2.0.2)
結果
WA  
実行時間 -
コード長 2,436 bytes
コンパイル時間 4,026 ms
コンパイル使用メモリ 70,188 KB
実行使用メモリ 25,692 KB
最終ジャッジ日時 2023-09-12 12:56:18
合計ジャッジ時間 19,959 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge15
このコードへのチャレンジ
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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 6 ms
4,812 KB
testcase_01 AC 11 ms
6,308 KB
testcase_02 AC 13 ms
6,496 KB
testcase_03 AC 10 ms
6,028 KB
testcase_04 AC 11 ms
6,448 KB
testcase_05 AC 68 ms
25,484 KB
testcase_06 WA -
testcase_07 AC 1,611 ms
18,048 KB
testcase_08 AC 1,792 ms
15,452 KB
testcase_09 AC 1,860 ms
15,568 KB
testcase_10 AC 1,901 ms
15,392 KB
testcase_11 AC 65 ms
25,692 KB
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 AC 58 ms
14,632 KB
testcase_17 WA -
testcase_18 AC 56 ms
19,632 KB
testcase_19 TLE -
testcase_20 WA -
testcase_21 AC 2 ms
4,376 KB
testcase_22 AC 2 ms
4,380 KB
testcase_23 AC 2 ms
4,376 KB
testcase_24 AC 2 ms
4,380 KB
testcase_25 AC 2 ms
4,376 KB
testcase_26 AC 1 ms
4,376 KB
testcase_27 AC 2 ms
4,380 KB
testcase_28 AC 1 ms
4,380 KB
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コンパイルメッセージ
/home/judge/data/code/Main.nim(1, 39) Warning: Use the new 'sugar' module instead; future is deprecated [Deprecated]

ソースコード

diff # 

import strutils, sequtils, algorithm, future, tables

type
  PrirorityQueue*[T] = ref object of RootObj
    elms: seq[T]
    cmp: (T, T) -> int

proc newPriorityQueue*[T](cmp: (T, T) -> int): PrirorityQueue[T] =
  new(result)
  result.elms = newSeq[T]()
  result.cmp = cmp

template parent(cur: int): int =
  (cur - 1) div 2

template childl(cur: int): int =
  cur * 2 + 1

template childr(cur: int): int =
  cur * 2 + 2

proc upHeap[T](self: var PrirorityQueue[T], cur: var int) =
  var par = parent(cur)

  while par >= 0 and self.cmp(self.elms[cur], self.elms[par]) < 0:
    swap(self.elms[cur], self.elms[par])
    (cur, par) = (par, parent(par))

proc downHeap[T](self: var PrirorityQueue[T], cur: var int) =
  var (chl, chr) = (childl(cur), childr(cur))

  while chl < self.elms.len:
    var ch =
      if chr >= self.elms.len or self.cmp(self.elms[chl], self.elms[chr]) < 0: chl
      else: chr

    if self.cmp(self.elms[cur], self.elms[ch]) < 0:
      break

    swap(self.elms[cur], self.elms[ch])
    (cur, chl, chr) = (ch, childl(cur), childr(cur))

proc len*[T](self: PrirorityQueue[T]): int =
  self.elms.len

proc peek*[T](self: var PrirorityQueue[T]): T =
  self.elms[0]

proc push*[T](self: var PrirorityQueue[T], data: T) =
  var
    n = self.elms.len
    cur = n
  self.elms.setLen(n + 1)
  self.elms[cur] = data
  self.upHeap(cur)

proc pop*[T](self: var PrirorityQueue[T]): T =
  assert self.elms.len > 0
  var
    n = self.elms.len
    cur = 0
  result = self.elms[0]
  self.elms[cur] = self.elms[n-1]
  self.elms.del(n-1)
  self.downHeap(cur)

proc delete*[T](self: var PrirorityQueue[T], data: T): bool =
  var
    n = self.elms.len
    idx = -1
  for i in 0..<n:
    if self.elms[i] == data:
      idx = i
      break
  if idx == -1:
    return false
  elif idx == n - 1:
    self.elms.del(idx)
  else:
    self.elms[idx] = self.elms[n-1]
    self.elms.del(n-1)
    self.downHeap(idx)
    self.upHeap(idx)
  return true

# ==============================================================================

when isMainModule:
  var
    n = stdin.readLine.parseInt
    a = stdin.readLine.split.map(parseInt)
    b = newSeq[int](n)
    lastIdx = newTable[int, int]()
    pQ = newPriorityQueue[int]((x: int, y: int) => y - x)

  for i in 0..<n:
    lastIdx[a[i]] = i

  for i in 0..<n:
    pQ.push(a[i])

    b[i] = pQ.peek()

    if i == lastIdx[a[i]]:
      while pQ.delete(a[i]):
        discard

  echo b.join(" ")
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