結果
問題 | No.335 門松宝くじ |
ユーザー | 紙ぺーぱー |
提出日時 | 2016-01-16 00:19:05 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,464 ms / 2,000 ms |
コード長 | 9,976 bytes |
コンパイル時間 | 902 ms |
コンパイル使用メモリ | 117,800 KB |
実行使用メモリ | 51,052 KB |
最終ジャッジ日時 | 2024-09-19 19:41:53 |
合計ジャッジ時間 | 11,308 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 21 ms
23,724 KB |
testcase_01 | AC | 22 ms
23,728 KB |
testcase_02 | AC | 21 ms
24,016 KB |
testcase_03 | AC | 22 ms
25,852 KB |
testcase_04 | AC | 22 ms
23,524 KB |
testcase_05 | AC | 369 ms
46,944 KB |
testcase_06 | AC | 547 ms
51,052 KB |
testcase_07 | AC | 979 ms
47,388 KB |
testcase_08 | AC | 539 ms
45,336 KB |
testcase_09 | AC | 1,443 ms
47,408 KB |
testcase_10 | AC | 1,464 ms
45,608 KB |
testcase_11 | AC | 1,463 ms
45,356 KB |
testcase_12 | AC | 1,449 ms
45,472 KB |
testcase_13 | AC | 1,453 ms
45,480 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.Linq; using System.Collections.Generic; using Debug = System.Diagnostics.Debug; using StringBuilder = System.Text.StringBuilder; using System.Numerics; using Number = System.Int64; namespace Program { public class Solver { public void Solve() { var n = sc.Integer(); var m = sc.Integer(); var a = Enumerate(m, x => sc.Integer(n)); long val = -1; var id = -1; for (int _ = 0; _ < m; _++) { var b = a[_]; long v = 0; var L = new RMQSegmentTree(n + 1); for (int i = 0; i < n; i++) { var M = new RMQSegmentTree(n + 1); for (int j = i + 1; j < n; j++) M.Update(b[j], b[j]); var R = new RMQSegmentTree(n + 1); for (int j = n - 1; j > i; j--) { M.Update(b[j], 0); var min = Math.Min(b[i], b[j]); var max = Math.Max(b[i], b[j]); long add = 0; if (M.Query(0, min) > 0) add = Math.Max(max, M.Query(0, min)); if (M.Query(max + 1, n + 1) > 0) { add = Math.Max(add, max); add = Math.Max(add, M.Query(max + 1, n)); } if (b[i] < b[j]) { if (R.Query(0, b[j]) > 0) { add = Math.Max(add, max); add = Math.Max(add, R.Query(0, b[j])); } if (L.Query(b[i] + 1, n + 1) > 0) { add = Math.Max(add, max); add = Math.Max(add, L.Query(b[i] + 1, n)); } } else if (b[i] > b[j]) { if (L.Query(1, b[i] - 1) > 0) { add = Math.Max(add, max); add = Math.Max(add, L.Query(1, b[i] - 1)); } if (R.Query(b[j] + 1, n + 1) > 0) { add = Math.Max(add, max); add = Math.Max(add, R.Query(b[j] + 1, n + 1)); } } v += add; R.Update(b[j], b[j]); } L.Update(b[i], b[i]); } Debug.WriteLine(v); if (val < v) { val = v; id = _; } } IO.Printer.Out.WriteLine(id); } public bool ISOTAKUDAIGAKU(long l, long m, long r) { var a = new long[] { l, m, r }; return ISOTAKUDAIGAKU(a); } public bool ISOTAKUDAIGAKU(long[] a) { if (a.Length != 3) return false; if (a.Distinct().Count() != 3) return false; if (a[0] < a[1] && a[1] > a[2]) return true; if (a[0] > a[1] && a[1] < a[2]) return true; return false; } public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput()); static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; } static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; } } } #region main static class Ex { static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); } static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); } static public void Main() { var solver = new Program.Solver(); solver.Solve(); Program.IO.Printer.Out.Flush(); } } #endregion #region Ex namespace Program.IO { using System.IO; using System.Text; using System.Globalization; public class Printer : StreamWriter { static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; } public static Printer Out { get; set; } public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } } public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { } public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { } public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); } public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); } } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } public readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; public bool IsEndOfStream { get { return isEof; } } private byte read() { if (isEof) return 0; if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public string ScanLine() { var sb = new StringBuilder(); for (var b = Char(); b != '\n'; b = (char)read()) if (b == 0) break; else if (b != '\r') sb.Append(b); return sb.ToString(); } public long Long() { if (isEof) return long.MinValue; long ret = 0; byte b = 0; var ng = false; do b = read(); while (b != 0 && b != '-' && (b < '0' || '9' < b)); if (b == 0) return long.MinValue; if (b == '-') { ng = true; b = read(); } for (; true; b = read()) { if (b < '0' || '9' < b) return ng ? -ret : ret; else ret = ret * 10 + b - '0'; } } public int Integer() { return (isEof) ? int.MinValue : (int)Long(); } public double Double() { var s = Scan(); return s != "" ? double.Parse(Scan(), CultureInfo.InvariantCulture) : double.NaN; } private T[] enumerate<T>(int n, Func<T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(); return a; } public char[] Char(int n) { return enumerate(n, Char); } public string[] Scan(int n) { return enumerate(n, Scan); } public double[] Double(int n) { return enumerate(n, Double); } public int[] Integer(int n) { return enumerate(n, Integer); } public long[] Long(int n) { return enumerate(n, Long); } } } #endregion #region RMQSegmentTere [System.Diagnostics.DebuggerDisplay("Data={ToString()}")] public class RMQSegmentTree { const long MIN = 0; int n; long[] data; public RMQSegmentTree(int size) { n = 1; while (n < size) n <<= 1; data = new long[n << 1]; for (int i = 0; i < data.Length; i++) data[i] = MIN; } public RMQSegmentTree(long[] a) { n = 1; while (n < a.Length) n <<= 1; data = new long[n << 1]; for (int i = n; i < data.Length; i++) { if (i - n < a.Length) data[i] = a[i]; else data[i] = MIN; } for (int i = n - 1; i >= 0; i--) { data[i] = Math.Max(data[i << 1], data[(i << 1) + 1]); } } // turn kth index value into v public void Update(int k, long v) { k += n; data[k] = v; k >>= 1; while (k > 0) { data[k] = Math.Max(data[k << 1], data[(k << 1) + 1]); k >>= 1; } } public long Query(int a, int b) { return Query(a, b, 1, 0, n); } private long Query(int a, int b, int k, int l, int r) { if (r <= a || b <= l) return MIN; if (a <= l && r <= b) return data[k]; else { var vl = Query(a, b, k << 1, l, (l + r) >> 1); var vr = Query(a, b, (k << 1) + 1, (l + r) >> 1, r); return Math.Max(vl, vr); } } /* ///<summary>Data[i]</summary>> public long this[int i] { get { return data[i + n]; } } ///<summary>Minimum[a,b)</summary>> public long this[int l, int r] { get { return Query(l, r, 1, 0, n); } } public override string ToString() { return string.Join(",", Enumerable.Range(0, n).Select(i => this[i]).Where(v => v != Max)); } public string Visualize() { var sb = new System.Text.StringBuilder(); var k = 2; var len = n << 1; for (int i = 1; i < len; i++) { if (data[i] != Max) sb.Append(data[i]); else sb.Append('-'); if (i < k - 1) sb.Append(','); else if (i < len - 1) { sb.AppendLine(); k <<= 1; } } return sb.ToString(); } //*/ } #endregion