結果
問題 | No.2139 K Consecutive Sushi |
ユーザー | kakel-san |
提出日時 | 2023-09-22 23:58:11 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 354 ms / 2,000 ms |
コード長 | 6,704 bytes |
コンパイル時間 | 2,609 ms |
コンパイル使用メモリ | 113,524 KB |
実行使用メモリ | 58,360 KB |
最終ジャッジ日時 | 2024-07-16 00:32:03 |
合計ジャッジ時間 | 9,278 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 31 ms
25,240 KB |
testcase_01 | AC | 31 ms
26,892 KB |
testcase_02 | AC | 31 ms
25,240 KB |
testcase_03 | AC | 338 ms
53,656 KB |
testcase_04 | AC | 335 ms
54,172 KB |
testcase_05 | AC | 352 ms
55,708 KB |
testcase_06 | AC | 313 ms
55,840 KB |
testcase_07 | AC | 354 ms
53,944 KB |
testcase_08 | AC | 222 ms
51,600 KB |
testcase_09 | AC | 231 ms
49,692 KB |
testcase_10 | AC | 241 ms
49,812 KB |
testcase_11 | AC | 238 ms
47,900 KB |
testcase_12 | AC | 218 ms
49,808 KB |
testcase_13 | AC | 32 ms
27,416 KB |
testcase_14 | AC | 32 ms
26,908 KB |
testcase_15 | AC | 31 ms
23,092 KB |
testcase_16 | AC | 31 ms
25,132 KB |
testcase_17 | AC | 32 ms
24,988 KB |
testcase_18 | AC | 38 ms
27,492 KB |
testcase_19 | AC | 37 ms
25,832 KB |
testcase_20 | AC | 36 ms
25,972 KB |
testcase_21 | AC | 35 ms
27,780 KB |
testcase_22 | AC | 37 ms
26,032 KB |
testcase_23 | AC | 53 ms
24,444 KB |
testcase_24 | AC | 119 ms
35,836 KB |
testcase_25 | AC | 212 ms
45,852 KB |
testcase_26 | AC | 54 ms
26,908 KB |
testcase_27 | AC | 103 ms
38,408 KB |
testcase_28 | AC | 105 ms
38,980 KB |
testcase_29 | AC | 63 ms
29,020 KB |
testcase_30 | AC | 126 ms
38,564 KB |
testcase_31 | AC | 321 ms
53,780 KB |
testcase_32 | AC | 65 ms
30,968 KB |
testcase_33 | AC | 224 ms
58,360 KB |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
using System; using static System.Console; using System.Linq; using System.Collections.Generic; class Program { static int NN => int.Parse(ReadLine()); static int[] NList => ReadLine().Split().Select(int.Parse).ToArray(); public static void Main() { Solve(); } static void Solve() { var c = NList; var (n, k) = (c[0], c[1]); var a = NList; WriteLine(Sushi(n, k, a)); } static long Sushi(int n, int k, int[] a) { var set = new AvlTree<long>(); set.Insert(0); var dlist = new long[n + 1]; for (var i = 0; i < n; ++i) { var min = set.ElementAt(0); dlist[i + 1] = min + a[i]; set.Insert(dlist[i + 1]); if (i + 1 - k >= 0) set.Delete(dlist[i + 1 - k]); } var ans = 0L; foreach (var ai in a) ans += ai; return ans - set.ElementAt(0); } public class AvlTree<T> where T: IComparable<T> { private class Node<U> where U: IComparable<U> { public U Value; public Node<U> Lc = null; public Node<U> Rc = null; public int Height; public int Count; public int CCount; public Node(int height, U value) { Height = height; Count = 1; CCount = 1; Value = value; } } private Node<T> root = null; private bool active; static int GetHeight(Node<T> t) { return t == null ? 0 : t.Height; } static int GetCount(Node<T> t) { return t == null ? 0 : t.Count; } static int GetBalance(Node<T> t) { return GetHeight(t.Lc) - GetHeight(t.Rc); } static void Recalc(Node<T> t) { t.Height = 1 + Math.Max(GetHeight(t.Lc), GetHeight(t.Rc)); t.Count = t.CCount + GetCount(t.Lc) + GetCount(t.Rc); } static Node<T> RotateLeft(Node<T> t) { Node<T> u = t.Rc; Node<T> t2 = u.Lc; u.Lc = t; t.Rc = t2; Recalc(u.Lc); Recalc(u); return u; } static Node<T> RotateRight(Node<T> t) { Node<T> u = t.Lc; Node<T> t2 = u.Rc; u.Rc = t; t.Lc = t2; Recalc(u.Rc); Recalc(u); return u; } static Node<T> RotateLR(Node<T> t) { t.Lc = RotateLeft(t.Lc); return RotateRight(t); } static Node<T> RotateRL(Node<T> t) { t.Rc = RotateRight(t.Rc); return RotateLeft(t); } Node<T> BalanceLeft(Node<T> t) { if (!active) return t; var h = GetHeight(t); if (GetBalance(t) > 1) { if (GetBalance(t.Lc) < 0) t = RotateLR(t); else t = RotateRight(t); } Recalc(t); active = h != GetHeight(t); return t; } Node<T> BalanceRight(Node<T> t) { if (!active) return t; var h = GetHeight(t); if (GetBalance(t) < -1) { if (GetBalance(t.Rc) > 0) t = RotateRL(t); else t = RotateLeft(t); } Recalc(t); active = h != GetHeight(t); return t; } public void Insert(T value) { active = false; root = Insert(root, value); } Node<T> Insert(Node<T> cur, T value) { if (cur == null) { active = true; return new Node<T>(1, value); } var d = value.CompareTo(cur.Value); if (d < 0) { cur.Lc = Insert(cur.Lc, value); return BalanceLeft(cur); } else if (d > 0) { cur.Rc = Insert(cur.Rc, value); return BalanceRight(cur); } else { ++cur.CCount; Recalc(cur); return cur; } } public void Delete(T value) { active = false; root = Delete(root, value); } Node<T> Delete(Node<T> cur, T value) { if (cur == null) return null; var d = value.CompareTo(cur.Value); if (d < 0) { cur.Lc = Delete(cur.Lc, value); return BalanceRight(cur); } else if (d > 0) { cur.Rc = Delete(cur.Rc, value); return BalanceLeft(cur); } else { --cur.CCount; if (cur.CCount == 0) { if (cur.Lc != null) { var (k, del) = DeleteMax(cur.Lc); cur.Lc = k; cur.Value = del.Value; cur.CCount = del.CCount; return BalanceRight(cur); } else { active = true; return cur.Rc; } } else { Recalc(cur); return cur; } } } (Node<T> keep, Node<T> del) DeleteMax(Node<T> t) { if (t.Rc == null) { active = true; return (t.Lc, t); } else { var (k, d) = DeleteMax(t.Rc); t.Rc = k; return (BalanceLeft(t), d); } } public T ElementAt(int pos) { var t = ElementAt(root, pos); if (t == null) return default; return t.Value; } Node<T> ElementAt(Node<T> cur, int pos) { if (pos < GetCount(cur.Lc)) return ElementAt(cur.Lc, pos); if (pos < GetCount(cur.Lc) + cur.CCount) return cur; if (pos < cur.Count) return ElementAt(cur.Rc, pos); return null; } } }