結果
問題 |
No.2510 Six Cube Sum Counting
|
ユーザー |
![]() |
提出日時 | 2023-10-20 22:26:05 |
言語 | C# (.NET 8.0.404) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,991 bytes |
コンパイル時間 | 9,867 ms |
コンパイル使用メモリ | 168,664 KB |
実行使用メモリ | 332,780 KB |
最終ジャッジ日時 | 2024-09-20 20:00:43 |
合計ジャッジ時間 | 64,953 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 WA * 1 |
other | AC * 17 WA * 9 |
コンパイルメッセージ
復元対象のプロジェクトを決定しています... /home/judge/data/code/main.csproj を復元しました (98 ms)。 MSBuild のバージョン 17.9.6+a4ecab324 (.NET) main -> /home/judge/data/code/bin/Release/net8.0/main.dll main -> /home/judge/data/code/bin/Release/net8.0/publish/
ソースコード
#nullable enable using System; using System.Linq; using System.Collections; using System.IO; using System.Collections.Generic; using System.Text; using System.Numerics; using System.Runtime.Intrinsics.X86; using System.Buffers; using System.Diagnostics; using System.Runtime.CompilerServices; using static InputUtility; class Program { static void Main() { InputNewLine(); var x = NextInt32; List<(int v, int c)> abc = new(); for (int a = 0; a <= 300; a++) { for (int b = a; b <= 300; b++) { for (int c = b; c <= 300; c++) { abc.Add((a * a * a + b * b * b + c * c * c, c)); } } } var def = Def(); static (int v, int d)[] Def() { List<(int v, int d)> def = new(); for (int a = 0; a <= 300; a++) { for (int b = a; b <= 300; b++) { for (int c = b; c <= 300; c++) { def.Add((a * a * a + b * b * b + c * c * c, a)); } } } return def.ToArray(); } Array.Sort(def); int res = 0; foreach (var (v, c) in abc) { var target = x - v; var index = ~Array.BinarySearch(def, (target, -1)); while (index < def.Length && target == def[index].v && c <= def[index].d) { res++; index++; } } Console.WriteLine(res); } } public static class InputUtility { private static string[]? s_inputs; private static string? s_raw; private static int s_index = 0; private static void Init() => s_index = 0; public static int NextInt32 => int.Parse(s_inputs![s_index++]!); public static uint NextUInt32 => uint.Parse(s_inputs![s_index++]!); public static long NextInt64 => long.Parse(s_inputs![s_index++]!); public static string NextString => s_inputs![s_index++]; public static char NextChar => s_inputs![s_index++][0]; public static int[] GetInt32Array() => s_inputs!.Select(int.Parse).ToArray(); public static long[] GetInt64Array() => s_inputs!.Select(long.Parse).ToArray(); public static string GetRawString() => s_raw!; #if DEBUG private static TextReader? s_textReader; public static void SetSource(string path) => s_textReader = new StringReader(File.ReadAllText(path)); #endif public static bool InputNewLine() { #if DEBUG if (s_textReader is TextReader sr) { Init(); s_raw = sr.ReadLine()!; s_inputs = s_raw.Split(' ', StringSplitOptions.RemoveEmptyEntries); return true; } #endif Init(); s_raw = Console.ReadLine()!; s_inputs = s_raw.Split(' ', StringSplitOptions.RemoveEmptyEntries); return true; } }