結果
問題 | No.7 プライムナンバーゲーム |
ユーザー | mnzn |
提出日時 | 2019-12-24 17:02:19 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 220 ms / 5,000 ms |
コード長 | 5,476 bytes |
コンパイル時間 | 2,659 ms |
コンパイル使用メモリ | 111,020 KB |
実行使用メモリ | 18,944 KB |
最終ジャッジ日時 | 2024-10-01 16:29:09 |
合計ジャッジ時間 | 3,597 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 25 ms
18,432 KB |
testcase_01 | AC | 24 ms
18,304 KB |
testcase_02 | AC | 214 ms
18,816 KB |
testcase_03 | AC | 36 ms
18,304 KB |
testcase_04 | AC | 26 ms
18,560 KB |
testcase_05 | AC | 26 ms
18,688 KB |
testcase_06 | AC | 78 ms
18,944 KB |
testcase_07 | AC | 60 ms
18,560 KB |
testcase_08 | AC | 40 ms
18,560 KB |
testcase_09 | AC | 105 ms
18,944 KB |
testcase_10 | AC | 24 ms
18,432 KB |
testcase_11 | AC | 61 ms
18,816 KB |
testcase_12 | AC | 160 ms
18,944 KB |
testcase_13 | AC | 170 ms
18,816 KB |
testcase_14 | AC | 220 ms
18,944 KB |
testcase_15 | AC | 206 ms
18,688 KB |
testcase_16 | AC | 191 ms
18,944 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.Linq; class Program { static void Main(string[] args) { var N = sc.ReadInt(); P = SieveOfEratosthenes(N).ToArray(); Memo = new int[N + 1, 2]; var res = Rec(N, true); var ans = res == 1 ? "Win" : "Lose"; Console.WriteLine(ans); } static int[] P; static int[,] Memo; static int Rec(int now, bool turn) { var it = turn ? 1 : 0; if (now <= 1) { if (turn) return 1; else return -1; } if (Memo[now, it] != 0) return Memo[now, it]; var res = turn ? -1 : 1; for (int i = 0; i < P.Length; i++) { if (P[i] < now + 1) { var tmp = Rec(now - P[i], !turn); if (turn && tmp == 1) res = 1; if (!turn && tmp == -1) res = -1; } } Memo[now, it] = res; return res; } static List<int> SieveOfEratosthenes(int n) { var result = new List<int>(); var list = new List<int>(); if (n < 2) { return result; } else if (n == 2) { result.Add(2); return result; } for (int i = 2; i <= n; i++) { list.Add(i); }; while (Math.Pow(list[0], 2) <= n) { var first = list[0]; // 先頭要素 result.Add(first); // 先頭を素数リストへ list.Remove(first); // 先頭要素削除 // ふるい落とし list.RemoveAll(x => x % first == 0); } // 残りの探索リストを素数リストに追加 result.AddRange(list.ToArray()); return result; } static Scanner sc = new Scanner(); } class Scanner { string[] S = new string[0]; int Index = 0; char[] Separators = new char[] { ' ' }; public string Next() { if (this.Index < this.S.Length) return this.S[this.Index++]; var line = ""; while (line == "") line = Console.ReadLine(); this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries); if (this.S.Length == 0) return this.Next(); this.Index = 0; return this.S[this.Index++]; } public string ReadStr() { return this.Next(); } public char ReadChar() { return this.Next()[0]; } public int ReadInt() { return int.Parse(this.Next()); } public uint ReadUInt() { return uint.Parse(this.Next()); } public long ReadLong() { return long.Parse(this.Next()); } public double ReadDouble() { return double.Parse(this.Next()); } public Tuple<int, int> ReadTup(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add); } public Tuple<long, long> ReadTupLong(int add = 0) { return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add); } public Tuple<int, int, int> ReadTup3(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public Tuple<int, int, int, int> ReadTup4(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public int[] ReadIntArray(int n) { var array = new int[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadInt(); } return array; } public long[] ReadLongArray(int n) { var array = new long[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadLong(); } return array; } public double[] ReadDoubleArray(int n) { var array = new double[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadDouble(); } return array; } public char[] ReadCharArray(int n) { var array = new char[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadChar(); } return array; } public string[] ReadStrArray(int n) { var array = new string[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadStr(); } return array; } public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0) { var array = new Tuple<long, long>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTupLong(add); } return array; } public Tuple<int, int>[] ReadTupArray(int n, int add = 0) { var array = new Tuple<int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup(add); } return array; } public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0) { var array = new Tuple<int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup3(add); } return array; } public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0) { var array = new Tuple<int, int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup4(add); } return array; } }