結果
問題 | No.460 裏表ちわーわ |
ユーザー | AreTrash |
提出日時 | 2016-12-11 01:25:58 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 122 ms / 2,000 ms |
コード長 | 3,722 bytes |
コンパイル時間 | 1,076 ms |
コンパイル使用メモリ | 114,324 KB |
実行使用メモリ | 18,176 KB |
最終ジャッジ日時 | 2024-05-06 18:15:38 |
合計ジャッジ時間 | 3,831 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 22 ms
17,920 KB |
testcase_01 | AC | 21 ms
18,176 KB |
testcase_02 | AC | 28 ms
18,176 KB |
testcase_03 | AC | 20 ms
18,048 KB |
testcase_04 | AC | 20 ms
17,920 KB |
testcase_05 | AC | 22 ms
17,920 KB |
testcase_06 | AC | 21 ms
18,176 KB |
testcase_07 | AC | 66 ms
18,176 KB |
testcase_08 | AC | 115 ms
18,048 KB |
testcase_09 | AC | 22 ms
17,792 KB |
testcase_10 | AC | 114 ms
18,176 KB |
testcase_11 | AC | 23 ms
18,048 KB |
testcase_12 | AC | 34 ms
18,176 KB |
testcase_13 | AC | 121 ms
17,920 KB |
testcase_14 | AC | 122 ms
17,920 KB |
testcase_15 | AC | 116 ms
18,176 KB |
testcase_16 | AC | 23 ms
18,048 KB |
testcase_17 | AC | 117 ms
18,048 KB |
testcase_18 | AC | 120 ms
18,176 KB |
testcase_19 | AC | 119 ms
18,048 KB |
testcase_20 | AC | 23 ms
18,176 KB |
testcase_21 | AC | 120 ms
18,176 KB |
testcase_22 | AC | 116 ms
17,920 KB |
testcase_23 | AC | 122 ms
18,048 KB |
testcase_24 | AC | 117 ms
18,176 KB |
testcase_25 | AC | 21 ms
17,920 KB |
testcase_26 | AC | 21 ms
18,048 KB |
testcase_27 | AC | 21 ms
18,176 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; namespace No460{ public class Program{ public static void Main(string[] args){ var sr = new StreamReader(); //--------------------------------- var M = sr.Next<int>(); var N = sr.Next<int>(); var A = sr.Next<int>(M, N); var a = new int[M, N].ToJaggedArray(); Func<int, int, bool> isInside = (x, y) => 0 <= x && x < N && 0 <= y && y < M; Action<int, int> flip = (x, y) =>{ for(var i = y - 1; i <= y + 1; i++){ for(var j = x - 1; j <= x + 1; j++){ if(isInside(j, i)) a[i][j] = 1 - a[i][j]; } } }; Func<bool> isSame = () =>{ var ret = true; for(var i = 0; i < M; i++){ for(var j = 0; j < N; j++){ ret &= A[i][j] == a[i][j]; } } return ret; }; Func<int, bool> isOk = index => { var x = index % N; var y = index / N; return A[y][x] == a[y][x]; }; Func<int, int, int> dfs = null; dfs = (index, cnt) =>{ if(index - N - 2 >= 0) if(!isOk(index - N - 2)) return int.MaxValue; if(index == M * N) return isSame() ? cnt : int.MaxValue; var x = index % N; var y = index / N; var ret = int.MaxValue; ret = Math.Min(ret, dfs(index + 1, cnt)); flip(x, y); ret = Math.Min(ret, dfs(index + 1, cnt + 1)); flip(x, y); return ret; }; var res = dfs(0, 0); Console.WriteLine(res != int.MaxValue ? res.ToString() : "Impossible"); //--------------------------------- } } public static class ExMethod{ public static T[][] ToJaggedArray<T>(this T[,] src){ var x = src.GetLength(1); var y = src.GetLength(0); var ret = new T[y][]; for(var i = 0; i < y; i++){ ret[i] = new T[x]; for(var j = 0; j < x; j++){ ret[i][j] = src[i, j]; } } return ret; } } public class StreamReader{ private readonly char[] _c = {' '}; private int _index = -1; private string[] _input = new string[0]; private readonly System.IO.StreamReader _sr = new System.IO.StreamReader(Console.OpenStandardInput()); public T Next<T>(){ if(_index == _input.Length - 1){ _index = -1; while(true){ string rl = _sr.ReadLine(); if(rl == null){ if(typeof(T).IsClass) return default(T); return (T)typeof(T).GetField("MinValue").GetValue(null); } if(rl != ""){ _input = rl.Split(_c, StringSplitOptions.RemoveEmptyEntries); break; } } } return (T)Convert.ChangeType(_input[++_index], typeof(T), System.Globalization.CultureInfo.InvariantCulture); } public T[] Next<T>(int x){ var ret = new T[x]; for(var i = 0; i < x; ++i) ret[i] = Next<T>(); return ret; } public T[][] Next<T>(int y, int x){ var ret = new T[y][]; for(var i = 0; i < y; ++i) ret[i] = Next<T>(x); return ret; } } }