結果
| 問題 |
No.1438 Broken Drawers
|
| コンテスト | |
| ユーザー |
 tatt61880
|
| 提出日時 | 2021-03-27 13:39:01 |
| 言語 | Kuin (KuinC++ v.2021.9.17) |
| 結果 |
AC
|
| 実行時間 | 446 ms / 2,000 ms |
| コード長 | 4,203 bytes |
| コンパイル時間 | 3,444 ms |
| コンパイル使用メモリ | 147,280 KB |
| 実行使用メモリ | 29,184 KB |
| 最終ジャッジ日時 | 2024-09-16 12:10:21 |
| 合計ジャッジ時間 | 10,727 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 |
ソースコード
func main()
var n: int :: cui@inputInt()
var a: []bool :: #[n + 1]bool
var map: Map :: #Map
for i(0, n - 1)
var key: int :: cui@inputInt()
var value: int :: i
do map.add(key, value)
end for
var it: Node :: map.begin()
var ans: int :: 0
for(1, n)
var value: int :: it.value
if(!a[value + 1])
do a[value] :: true
do ans :+ 1
end if
do it :: it.next
end for
do cui@print("\{ans}\n")
class Node()
+var height: int
+var key: int
+var value: int
+var prev: Node
+var next: Node
+var lst: Node
+var rst: Node
+func init(key: int, value: int, prev: Node, next: Node): Node
do me.height :: 1
do me.key :: key
do me.value :: value
do me.prev :: prev
do me.next :: next
ret me
end func
end class
; AVL Tree
class Map()
var root: Node
var change: bool
var num: int
+func size(): int
ret me.num
end func
+func begin(): Node
var t: Node :: me.root
while(true)
if(t.lst =& null)
ret t
end if
do t :: t.lst
end while
end func
func height(t: Node): int
ret t =& null ?(0, t.height)
end func
func bias(t: Node): int
ret me.height(t.lst) - me.height(t.rst)
end func
func modHeight(t: Node)
do t.height :: 1 + lib@max(me.height(t.lst), me.height(t.rst))
end func
func rotateL(v: Node): Node
var u: Node :: v.rst
var t: Node :: u.lst
do u.lst :: v
do v.rst :: t
ret u
end func
func rotateR(u: Node): Node
var v: Node :: u.lst
var t: Node :: v.rst
do v.rst :: u
do u.lst :: t
ret v
end func
func rotateLR(t: Node): Node
do t.lst :: me.rotateL(t.lst)
ret me.rotateR(t)
end func
func rotateRL(t: Node): Node
do t.rst :: me.rotateR(t.rst)
ret me.rotateL(t)
end func
+func balanceL(t: Node): Node
if(!me.change)
ret t
end if
var h: int :: me.height(t)
if(me.bias(t) = 2)
if(me.bias(t.lst) >= 0)
do t :: me.rotateR(t)
else
do t :: me.rotateLR(t)
end if
else
do me.modHeight(t)
end if
do me.change :: (h <> me.height(t))
ret t
end func
+func balanceR(t: Node): Node
if(!me.change)
ret t
end if
var h: int :: me.height(t)
if(me.bias(t) = -2)
if(me.bias(t.rst) <= 0)
do t :: me.rotateL(t)
else
do t :: me.rotateRL(t)
end if
else
do me.modHeight(t)
end if
do me.change :: (h <> me.height(t))
ret t
end func
+func add(key: int, value: int)
do me.root :: me.addSub(me.root, null, key, value)
end func
+func addSub(t: Node, parent: Node, key: int, value: int): Node
if(t =& null)
var a: Node
do me.change :: true
if(parent =& null)
do a :: (#Node).init(key, value, null, null)
elif(key < parent.key)
do a :: (#Node).init(key, value, parent.prev, parent)
if(parent.prev <>& null)
do parent.prev.next :: a
end if
do parent.prev :: a
elif(key > parent.key)
do a :: (#Node).init(key, value, parent, parent.next)
if(parent.next <>& null)
do parent.next.prev :: a
end if
do parent.next :: a
end if
do me.num :+ 1
ret a
elif(key < t.key)
do t.lst :: me.addSub(t.lst, t, key, value)
ret me.balanceL(t)
elif(key > t.key)
do t.rst :: me.addSub(t.rst, t, key, value)
ret me.balanceR(t)
else
do me.change :: false
do t.value :: value
ret t
end if
end func
+func find(key: int): Node
var t: Node :: me.root
while loop(t <>& null)
if(key < t.key)
do t :: t.lst
elif(key > t.key)
do t :: t.rst
else
break loop
end if
end while
ret t
end func
+func exist(key: int): bool
ret me.find(key) <>& null
end func
+func get(key: int): int
var t: Node :: me.find(key)
ret t =& null ?(0, t.value)
end func
+func lower_bound(key: int): Node
var t: Node :: me.root
if(t =& null)
ret null
end if
while(true)
if(key < t.key)
if(t.lst =& null)
ret t
end if
if(key > t.lst.key & t.lst.rst =& null)
ret t
end if
do t :: t.lst
elif(key > t.key)
if(t.rst =& null)
ret null
end if
do t :: t.rst
else
ret t
end if
end while
end func
end class
end func