結果

問題 No.1438 Broken Drawers
ユーザー tatt61880tatt61880
提出日時 2021-03-28 09:49:24
言語 Kuin
(KuinC++ v.2021.9.17)
結果
AC  
実行時間 396 ms / 2,000 ms
コード長 5,091 bytes
コンパイル時間 3,371 ms
コンパイル使用メモリ 150,004 KB
実行使用メモリ 29,184 KB
最終ジャッジ日時 2024-09-16 12:14:11
合計ジャッジ時間 10,166 ms
ジャッジサーバーID
(参考情報)
judge5 / judge1
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 2 ms
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 336 ms
29,056 KB
testcase_07 AC 327 ms
29,056 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 13 ms
5,376 KB
testcase_12 AC 124 ms
13,312 KB
testcase_13 AC 218 ms
18,944 KB
testcase_14 AC 79 ms
10,368 KB
testcase_15 AC 368 ms
27,008 KB
testcase_16 AC 362 ms
26,368 KB
testcase_17 AC 361 ms
27,520 KB
testcase_18 AC 354 ms
28,032 KB
testcase_19 AC 352 ms
28,284 KB
testcase_20 AC 396 ms
28,416 KB
testcase_21 AC 352 ms
27,752 KB
testcase_22 AC 371 ms
28,516 KB
testcase_23 AC 379 ms
29,056 KB
testcase_24 AC 385 ms
29,184 KB
testcase_25 AC 376 ms
29,056 KB
testcase_26 AC 364 ms
29,056 KB
testcase_27 AC 380 ms
28,928 KB
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ソースコード

diff #

func main()
	var n: int :: cui@inputInt()
	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 ans: int :: 0
	var a: []bool :: #[n + 1]bool
	var it: @Node :: map.begin()
	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")
end func

class Node()
	+var height: int
	+var key: int
	+var value: int
	+var prev: Node
	+var next: Node
	+var lst: Node
	+var rst: Node
	+*func toStr(): []char
		ret me.value.toStr()
	end func
	+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 lMax: int
	var lMaxValue: int
	var num: int
	+func size(): int
		ret me.num
	end func
	+func begin(): @Node
		var t: @Node :: me.root
		if(t =& null)
			ret null
		end if
		while(true)
			if(t.lst =& null)
				ret t
			end if
			do t :: t.lst
		end while
	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 del(key: int)
		do me.root :: me.delSub(me.root, key)
	end func
	func delSub(t: @Node, key: int): @Node
		if(t =& null)
			do me.change :: false
			ret null
		elif(key < t.key)
			do t.lst :: me.delSub(t.lst, key)
			ret me.balanceR(t)
		elif(key > t.key)
			do t.rst :: me.delSub(t.rst, key)
			ret me.balanceL(t)
		else
			do me.num :- 1
			if(t.next <>& null)
				do t.next.prev :: t.prev
			end if
			if(t.prev <>& null)
				do t.prev.next :: t.next
			end if
			if(t.lst =& null)
				do me.change :: true
				ret t.rst
			else
				do t.lst :: me.delSubMax(t.lst)
				do t.key :: me.lMax
				do t.value :: me.lMaxValue
				ret me.balanceR(t)
			end if
		end if
	end func
	func delSubMax(t: @Node): @Node
		if(t.rst <>& null)
			do t.rst :: me.delSubMax(t.rst)
			ret me.balanceL(t)
		else
			do me.change :: true
			do me.lMax :: t.key
			do me.lMaxValue :: t.value
			ret t.lst
		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
	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
end class
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