結果
問題 | No.74 貯金箱の退屈 |
ユーザー |
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提出日時 | 2015-04-17 21:19:26 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 27 ms / 5,000 ms |
コード長 | 3,642 bytes |
コンパイル時間 | 2,443 ms |
コンパイル使用メモリ | 110,592 KB |
実行使用メモリ | 19,328 KB |
最終ジャッジ日時 | 2024-07-04 15:43:58 |
合計ジャッジ時間 | 4,241 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
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.IO;using System.Linq;using System.Text;using System.Collections.Generic;using System.Diagnostics;using System.Numerics;using Enu = System.Linq.Enumerable;using System.Collections;class Program{public void Solve(){int N = Reader.Int();var A = Reader.IntArray(N);var W = Reader.IntArray(N);var M = new BinaryMatrix(N, N + 1);for (int i = 0; i < N; i++){int L = ((i - A[i]) % N + N) % N;int R = (i + A[i]) % N;M[L, i] = 1;M[R, i] = 1;M[i, N] = 1 - W[i];}int rank = M.GaussJordan();bool ok = Enu.Range(rank, N - rank).All(i => M[i, N] == 0);string ans = ok ? "Yes" : "No";Console.WriteLine(ans);}class BinaryMatrix{private readonly long[][] M;public readonly int H, W;public BinaryMatrix(int h, int w){H = h; W = w;M = new long[H][];for (int i = 0; i < H; i++) M[i] = new long[(W + 63) / 64];}public long this[int i, int j]{get { return M[i][j >> 6] >> (j & 63) & 1; }set { M[i][j >> 6] |= -1L & (value << (j & 63)); }}public int GaussJordan(){int rank = 0;for (int c = 0; c < Math.Min(H, W); c++){int i = Array.FindIndex(M, rank, r => (r[c >> 6] >> (c & 63) & 1) == 1);if (i < 0) continue;var t = M[rank]; M[rank] = M[i]; M[i] = t;for (i = 0; i < H; i++)if (i != rank && (M[i][c >> 6] >> (c & 63) & 1) == 1)for (int j = 0; j < M[i].Length; j++)M[i][j] ^= M[rank][j];rank++;}return rank;}}}class Entry { static void Main() { new Program().Solve(); } }class Reader{private static TextReader reader = Console.In;private static readonly char[] separator = { ' ' };private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;private static string[] A = new string[0];private static int i;private static void Init() { A = new string[0]; }public static void Set(TextReader r) { reader = r; Init(); }public static void Set(string file) { reader = new StreamReader(file); Init(); }public static bool HasNext() { return CheckNext(); }public static string String() { return Next(); }public static int Int() { return int.Parse(Next()); }public static long Long() { return long.Parse(Next()); }public static double Double() { return double.Parse(Next()); }public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }public static string Line() { return reader.ReadLine().Trim(); }private static string[] Split(string s) { return s.Split(separator, op); }private static string Next() { CheckNext(); return A[i++]; }private static bool CheckNext(){if (i < A.Length) return true;string line = reader.ReadLine();if (line == null) return false;if (line == "") return CheckNext();A = Split(line);i = 0;return true;}}