結果
問題 | No.421 しろくろチョコレート |
ユーザー | AreTrash |
提出日時 | 2016-09-26 22:56:14 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 44 ms / 2,000 ms |
コード長 | 4,143 bytes |
コンパイル時間 | 2,402 ms |
コンパイル使用メモリ | 116,532 KB |
実行使用メモリ | 27,240 KB |
最終ジャッジ日時 | 2024-09-23 07:09:57 |
合計ジャッジ時間 | 5,146 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 | 30 ms
24,792 KB |
testcase_01 | AC | 37 ms
25,084 KB |
testcase_02 | AC | 38 ms
24,916 KB |
testcase_03 | AC | 30 ms
26,840 KB |
testcase_04 | AC | 35 ms
24,880 KB |
testcase_05 | AC | 32 ms
27,212 KB |
testcase_06 | AC | 30 ms
26,956 KB |
testcase_07 | AC | 31 ms
26,860 KB |
testcase_08 | AC | 39 ms
25,080 KB |
testcase_09 | AC | 30 ms
25,044 KB |
testcase_10 | AC | 31 ms
24,792 KB |
testcase_11 | AC | 32 ms
25,008 KB |
testcase_12 | AC | 30 ms
27,088 KB |
testcase_13 | AC | 30 ms
24,792 KB |
testcase_14 | AC | 30 ms
25,048 KB |
testcase_15 | AC | 29 ms
25,040 KB |
testcase_16 | AC | 40 ms
24,788 KB |
testcase_17 | AC | 42 ms
24,876 KB |
testcase_18 | AC | 42 ms
22,960 KB |
testcase_19 | AC | 29 ms
27,092 KB |
testcase_20 | AC | 35 ms
24,792 KB |
testcase_21 | AC | 38 ms
24,912 KB |
testcase_22 | AC | 32 ms
25,080 KB |
testcase_23 | AC | 30 ms
24,916 KB |
testcase_24 | AC | 32 ms
27,096 KB |
testcase_25 | AC | 30 ms
24,788 KB |
testcase_26 | AC | 31 ms
25,004 KB |
testcase_27 | AC | 32 ms
24,916 KB |
testcase_28 | AC | 44 ms
24,568 KB |
testcase_29 | AC | 44 ms
27,000 KB |
testcase_30 | AC | 41 ms
24,832 KB |
testcase_31 | AC | 44 ms
24,912 KB |
testcase_32 | AC | 41 ms
22,964 KB |
testcase_33 | AC | 41 ms
24,844 KB |
testcase_34 | AC | 44 ms
27,016 KB |
testcase_35 | AC | 44 ms
26,948 KB |
testcase_36 | AC | 34 ms
25,008 KB |
testcase_37 | AC | 41 ms
24,660 KB |
testcase_38 | AC | 44 ms
27,000 KB |
testcase_39 | AC | 36 ms
22,836 KB |
testcase_40 | AC | 33 ms
26,988 KB |
testcase_41 | AC | 30 ms
27,088 KB |
testcase_42 | AC | 30 ms
25,044 KB |
testcase_43 | AC | 35 ms
27,240 KB |
testcase_44 | AC | 38 ms
24,916 KB |
testcase_45 | AC | 31 ms
25,068 KB |
testcase_46 | AC | 31 ms
24,788 KB |
testcase_47 | AC | 35 ms
26,960 KB |
testcase_48 | AC | 37 ms
26,996 KB |
testcase_49 | AC | 39 ms
25,092 KB |
testcase_50 | AC | 34 ms
26,728 KB |
testcase_51 | AC | 40 ms
25,176 KB |
testcase_52 | AC | 32 ms
24,684 KB |
testcase_53 | AC | 33 ms
26,956 KB |
testcase_54 | AC | 39 ms
22,576 KB |
testcase_55 | AC | 30 ms
25,012 KB |
testcase_56 | AC | 30 ms
25,044 KB |
testcase_57 | AC | 30 ms
24,784 KB |
testcase_58 | AC | 34 ms
24,920 KB |
testcase_59 | AC | 32 ms
23,092 KB |
testcase_60 | AC | 44 ms
25,004 KB |
testcase_61 | AC | 40 ms
27,004 KB |
testcase_62 | AC | 30 ms
26,960 KB |
testcase_63 | AC | 30 ms
26,840 KB |
testcase_64 | AC | 44 ms
24,792 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; namespace No421_1{ public class Program{ public static void Main(string[] args){ var sr = new StreamReader(); //--------------------------------- var H = sr.Next<int>(); var W = sr.Next<int>(); var S = sr.Next<string>(H); var dx = new[]{0, 1, 0, -1}; var dy = new[]{1, 0, -1, 0}; Func<int, int, bool> isInside = (x, y) => 0 <= x && x < W && 0 <= y && y < H; Func<int, int, int> hash = (x, y) => x + y * W; var bg = new BipartiteGraph(H * W); for(var y = 0; y < H; y++){ for(var x = 0; x < W; x++){ if((x + y) % 2 == 0) continue; for(var i = 0; i < 4; i++){ var nx = x + dx[i]; var ny = y + dy[i]; if(isInside(nx, ny) && S[y][x] != '.' && S[ny][nx] != '.'){ bg.AddEdge(hash(x, y), hash(nx, ny)); } } } } var w = S.Sum(s => s.Count(c => c == 'w')); var b = S.Sum(s => s.Count(c => c == 'b')); var m3 = bg.Matching(); var m2 = Math.Min(w, b) - m3; var m1 = Math.Max(w, b) - m3 - m2; Console.WriteLine(m1 + m2 * 10 + m3 * 100); //--------------------------------- } } public class BipartiteGraph{//🐜P197 private readonly List<int>[] _adj; private readonly int[] _match; private readonly bool[] _used; public BipartiteGraph(int v){ _adj = new List<int>[v]; for(var i = 0; i < v; i++) _adj[i] = new List<int>(); _match = new int[v]; _used = new bool[v]; } public void AddEdge(int u, int v){ _adj[u].Add(v); _adj[v].Add(u); } public int Matching(){ var res = 0; for(var i = 0; i < _match.Length; i++) _match[i] = -1; for(var v = 0; v < _match.Length; v++){ if(_match[v] < 0){ for(var j = 0; j < _used.Length; j++) _used[j] = false; if(Dfs(v)) res++; } } return res; } private bool Dfs(int v){ _used[v] = true; for(var i = 0; i < _adj[v].Count; i++){ var u = _adj[v][i]; var w = _match[u]; if(w < 0 || (!_used[w] && Dfs(w))){ _match[v] = u; _match[u] = v; return true; } } return false; } } 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; } } }