結果
問題 | No.833 かっこいい電車 |
ユーザー | EmKjp |
提出日時 | 2019-05-24 22:27:21 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 936 ms / 2,000 ms |
コード長 | 6,707 bytes |
コンパイル時間 | 4,362 ms |
コンパイル使用メモリ | 113,228 KB |
実行使用メモリ | 44,808 KB |
最終ジャッジ日時 | 2023-09-14 20:54:23 |
合計ジャッジ時間 | 18,033 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge14 |
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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 | 936 ms
33,028 KB |
testcase_01 | AC | 60 ms
20,744 KB |
testcase_02 | AC | 60 ms
22,828 KB |
testcase_03 | AC | 60 ms
20,748 KB |
testcase_04 | AC | 60 ms
20,812 KB |
testcase_05 | AC | 60 ms
22,896 KB |
testcase_06 | AC | 60 ms
20,784 KB |
testcase_07 | AC | 60 ms
20,824 KB |
testcase_08 | AC | 59 ms
20,704 KB |
testcase_09 | AC | 60 ms
22,864 KB |
testcase_10 | AC | 686 ms
36,840 KB |
testcase_11 | AC | 876 ms
41,692 KB |
testcase_12 | AC | 277 ms
34,192 KB |
testcase_13 | AC | 232 ms
29,124 KB |
testcase_14 | AC | 652 ms
43,888 KB |
testcase_15 | AC | 327 ms
33,848 KB |
testcase_16 | AC | 178 ms
36,024 KB |
testcase_17 | AC | 295 ms
27,784 KB |
testcase_18 | AC | 844 ms
37,072 KB |
testcase_19 | AC | 198 ms
35,156 KB |
testcase_20 | AC | 85 ms
25,904 KB |
testcase_21 | AC | 744 ms
31,684 KB |
testcase_22 | AC | 316 ms
43,040 KB |
testcase_23 | AC | 234 ms
37,436 KB |
testcase_24 | AC | 340 ms
44,808 KB |
testcase_25 | AC | 834 ms
34,432 KB |
testcase_26 | AC | 233 ms
41,700 KB |
testcase_27 | AC | 536 ms
36,892 KB |
testcase_28 | AC | 440 ms
31,468 KB |
testcase_29 | AC | 483 ms
33,312 KB |
testcase_30 | AC | 227 ms
43,808 KB |
testcase_31 | AC | 498 ms
35,300 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 System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; partial class Solver { public void Run() { var N = ni(); var Q = ni(); var A = ni(N); var connectTree = new AnonymousSegmentTree<long>((a, b) => a + b); connectTree.Build(N, a => 0); var attractiveTree = new AnonymousSegmentTree<long>((a, b) => a + b); attractiveTree.Build(N, a => A[a]); for (int i = 0; i < Q; i++) { var q = ni(); var x = ni() - 1; switch (q) { case 1: // connect connectTree.Update(x, 1); break; case 2: connectTree.Update(x, 0); break; case 3: var current = attractiveTree.Query(x, x + 1); attractiveTree.Update(x, current + 1); break; case 4: { var lower = x; var upper = x; for (int d = (1 << 20); d > 0; d >>= 1) { if (lower - d >= 0 && connectTree.Query(lower - d, x) == x - (lower - d)) { lower -= d; } if (upper + d < N && connectTree.Query(upper, upper + d) == (upper + d) - upper) { upper += d; } } cout.WriteLine(attractiveTree.Query(lower, upper + 1)); } break; } } } } public abstract class SegmentTree<TNodeValue> where TNodeValue : struct { protected int N { get; private set; } protected TNodeValue?[] node; protected static int Left(int p) { return p * 2 + 1; } protected static int Right(int p) { return p * 2 + 2; } public SegmentTree() { } public void Build(IList<TNodeValue> array) { Build(array.Count, i => array[i]); } virtual public void Build(int _n, Func<int, TNodeValue> create) { N = 1; while (N < _n) N *= 2; node = new TNodeValue?[2 * N]; for (int i = 0; i < _n; i++) node[i + N - 1] = create(i); for (int i = N - 2; i >= 0; i--) node[i] = Merge(node[Left(i)], node[Right(i)]); } protected TNodeValue? Merge(TNodeValue? left, TNodeValue? right) { if (left != null && right != null) return Merge(left.Value, right.Value); if (left == null) return right; if (right == null) return left; return null; } protected abstract TNodeValue Merge(TNodeValue left, TNodeValue right); public void Update(int index, TNodeValue val) { int p = index + N - 1; node[p] = val; while (p > 0) { p = (p - 1) / 2; node[p] = Merge(node[Left(p)], node[Right(p)]); } } protected virtual TNodeValue? Query(int begin, int end, int k, int l, int r) { if (r <= begin || end <= l) return null; if (begin <= l && r <= end) return node[k]; int mid = (l + r) / 2; return Merge( Query(begin, end, Left(k), l, mid), Query(begin, end, Right(k), mid, r) ); } public TNodeValue Query(int begin, int end) { return Query(begin, end, 0, 0, N).Value; } }; public class RMQSegmentTree : SegmentTree<int> { protected override int Merge(int x, int y) { return Math.Max(x, y); } } public class AnonymousSegmentTree<TNodeValue> : SegmentTree<TNodeValue> where TNodeValue : struct { readonly Func<TNodeValue, TNodeValue, TNodeValue> _mergeMethod; public AnonymousSegmentTree(Func<TNodeValue, TNodeValue, TNodeValue> merge) { _mergeMethod = merge; } protected override TNodeValue Merge(TNodeValue left, TNodeValue right) { return _mergeMethod(left, right); } } // PREWRITEN CODE BEGINS FROM HERE partial class Solver : Scanner { public static void Main(string[] args) { new Solver(Console.In, Console.Out).Run(); } TextReader cin; TextWriter cout; public Solver(TextReader reader, TextWriter writer) : base(reader) { this.cin = reader; this.cout = writer; } public Solver(string input, TextWriter writer) : this(new StringReader(input), writer) { } public int ni() { return NextInt(); } public int[] ni(int n) { return NextIntArray(n); } public long nl() { return NextLong(); } public long[] nl(int n) { return NextLongArray(n); } public double nd() { return NextDouble(); } public string ns() { return Next(); } } public class Scanner { private TextReader Reader; private Queue<String> TokenQueue = new Queue<string>(); private CultureInfo ci = CultureInfo.InvariantCulture; public Scanner() : this(Console.In) { } public Scanner(TextReader reader) { this.Reader = reader; } public int NextInt() { return Int32.Parse(Next(), ci); } public long NextLong() { return Int64.Parse(Next(), ci); } public double NextDouble() { return double.Parse(Next(), ci); } public string[] NextArray(int size) { var array = new string[size]; for (int i = 0; i < size; i++) array[i] = Next(); return array; } public int[] NextIntArray(int size) { var array = new int[size]; for (int i = 0; i < size; i++) array[i] = NextInt(); return array; } public long[] NextLongArray(int size) { var array = new long[size]; for (int i = 0; i < size; i++) array[i] = NextLong(); return array; } public String Next() { if (TokenQueue.Count == 0) { if (!StockTokens()) throw new InvalidOperationException(); } return TokenQueue.Dequeue(); } public bool HasNext() { if (TokenQueue.Count > 0) return true; return StockTokens(); } private bool StockTokens() { while (true) { var line = Reader.ReadLine(); if (line == null) return false; var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries); if (tokens.Length == 0) continue; foreach (var token in tokens) TokenQueue.Enqueue(token); return true; } } }