結果
問題 | No.794 チーム戦 (2) |
ユーザー | 紙ぺーぱー |
提出日時 | 2019-02-22 22:46:41 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 194 ms / 1,500 ms |
コード長 | 4,221 bytes |
コンパイル時間 | 4,355 ms |
コンパイル使用メモリ | 113,660 KB |
実行使用メモリ | 33,940 KB |
最終ジャッジ日時 | 2023-08-16 21:07:32 |
合計ジャッジ時間 | 10,572 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
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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 | 63 ms
23,720 KB |
testcase_01 | AC | 64 ms
25,760 KB |
testcase_02 | AC | 62 ms
23,892 KB |
testcase_03 | AC | 63 ms
23,900 KB |
testcase_04 | AC | 63 ms
25,776 KB |
testcase_05 | AC | 63 ms
23,720 KB |
testcase_06 | AC | 64 ms
23,912 KB |
testcase_07 | AC | 62 ms
23,692 KB |
testcase_08 | AC | 63 ms
23,716 KB |
testcase_09 | AC | 63 ms
23,704 KB |
testcase_10 | AC | 63 ms
23,868 KB |
testcase_11 | AC | 62 ms
21,740 KB |
testcase_12 | AC | 62 ms
23,828 KB |
testcase_13 | AC | 62 ms
23,732 KB |
testcase_14 | AC | 192 ms
31,808 KB |
testcase_15 | AC | 192 ms
29,908 KB |
testcase_16 | AC | 191 ms
30,024 KB |
testcase_17 | AC | 190 ms
29,920 KB |
testcase_18 | AC | 194 ms
33,904 KB |
testcase_19 | AC | 192 ms
27,916 KB |
testcase_20 | AC | 191 ms
29,840 KB |
testcase_21 | AC | 192 ms
29,840 KB |
testcase_22 | AC | 141 ms
30,960 KB |
testcase_23 | AC | 133 ms
32,920 KB |
testcase_24 | AC | 117 ms
30,472 KB |
testcase_25 | AC | 109 ms
26,364 KB |
testcase_26 | AC | 113 ms
30,536 KB |
testcase_27 | AC | 143 ms
31,896 KB |
testcase_28 | AC | 142 ms
29,980 KB |
testcase_29 | AC | 141 ms
29,872 KB |
testcase_30 | AC | 140 ms
29,864 KB |
testcase_31 | AC | 143 ms
29,924 KB |
testcase_32 | AC | 142 ms
33,940 KB |
testcase_33 | AC | 144 ms
29,992 KB |
testcase_34 | AC | 142 ms
29,936 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.Trace; using SB = System.Text.StringBuilder; using System.Numerics; using static System.Math; using Number = System.Int64; namespace Program { public class Solver { Random rnd = new Random(0); public void Solve() { var n = ri; var k = rl; var a = Enumerate(n, x => rl); Array.Sort(a); var cnt = 0; var ans = 1L; var j = 0; const long M = (long)1e9 + 7; foreach (var i in RRep(n)) { if (i < j) break; while (j < i && a[j] + a[i] <= k) { cnt++; j++; } Debug.WriteLine(cnt); ans = ans * cnt % M; cnt--; if (cnt < 0) break; } while (cnt > 0) { Debug.WriteLine(cnt); ans = ans * (cnt - 1) % M; cnt -= 2; } System.Console.WriteLine(ans); } const long INF = 1L << 60; int ri => sc.Integer(); long rl => sc.Long(); double rd => sc.Double(); string rs => sc.Scan(); public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput()); static IEnumerable<int> Rep(int n) => Enumerable.Range(0, n); static IEnumerable<int> RRep(int n) => Enumerable.Range(0, n).Reverse(); static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < a.Length; ++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(ie.ToArray()); } static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); } static public void Main() { Console.SetOut(new Program.IO.Printer(Console.OpenStandardOutput()) { AutoFlush = false }); var solver = new Program.Solver(); solver.Solve(); Console.Out.Flush(); } } #endregion #region Ex namespace Program.IO { using System.IO; using System.Text; using System.Globalization; public class Printer : StreamWriter { public override IFormatProvider FormatProvider => CultureInfo.InvariantCulture; public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) { } } 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; 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 != 0; b = (char)read()) if (b != '\r') sb.Append(b); return sb.ToString(); } public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); } public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); } public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); } } } #endregion