結果
問題 | No.421 しろくろチョコレート |
ユーザー | vorg101 |
提出日時 | 2017-05-13 14:29:04 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 39 ms / 2,000 ms |
コード長 | 4,279 bytes |
コンパイル時間 | 1,990 ms |
コンパイル使用メモリ | 114,880 KB |
実行使用メモリ | 26,260 KB |
最終ジャッジ日時 | 2024-09-23 07:15:41 |
合計ジャッジ時間 | 4,939 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 | 29 ms
25,992 KB |
testcase_01 | AC | 31 ms
25,940 KB |
testcase_02 | AC | 31 ms
25,772 KB |
testcase_03 | AC | 30 ms
23,948 KB |
testcase_04 | AC | 31 ms
23,988 KB |
testcase_05 | AC | 28 ms
23,836 KB |
testcase_06 | AC | 29 ms
23,956 KB |
testcase_07 | AC | 32 ms
26,020 KB |
testcase_08 | AC | 29 ms
24,004 KB |
testcase_09 | AC | 30 ms
24,088 KB |
testcase_10 | AC | 30 ms
25,988 KB |
testcase_11 | AC | 31 ms
24,092 KB |
testcase_12 | AC | 29 ms
23,964 KB |
testcase_13 | AC | 29 ms
25,996 KB |
testcase_14 | AC | 29 ms
23,960 KB |
testcase_15 | AC | 29 ms
24,076 KB |
testcase_16 | AC | 34 ms
23,856 KB |
testcase_17 | AC | 36 ms
25,944 KB |
testcase_18 | AC | 35 ms
25,876 KB |
testcase_19 | AC | 29 ms
23,964 KB |
testcase_20 | AC | 33 ms
26,044 KB |
testcase_21 | AC | 34 ms
23,828 KB |
testcase_22 | AC | 32 ms
25,764 KB |
testcase_23 | AC | 29 ms
23,852 KB |
testcase_24 | AC | 28 ms
23,940 KB |
testcase_25 | AC | 28 ms
23,832 KB |
testcase_26 | AC | 28 ms
23,828 KB |
testcase_27 | AC | 29 ms
23,948 KB |
testcase_28 | AC | 30 ms
23,836 KB |
testcase_29 | AC | 31 ms
26,000 KB |
testcase_30 | AC | 33 ms
24,028 KB |
testcase_31 | AC | 30 ms
22,192 KB |
testcase_32 | AC | 32 ms
24,088 KB |
testcase_33 | AC | 35 ms
23,832 KB |
testcase_34 | AC | 29 ms
23,876 KB |
testcase_35 | AC | 30 ms
23,744 KB |
testcase_36 | AC | 32 ms
23,828 KB |
testcase_37 | AC | 37 ms
25,944 KB |
testcase_38 | AC | 38 ms
26,116 KB |
testcase_39 | AC | 30 ms
21,808 KB |
testcase_40 | AC | 32 ms
23,956 KB |
testcase_41 | AC | 29 ms
23,956 KB |
testcase_42 | AC | 29 ms
24,088 KB |
testcase_43 | AC | 29 ms
23,964 KB |
testcase_44 | AC | 33 ms
23,732 KB |
testcase_45 | AC | 29 ms
23,964 KB |
testcase_46 | AC | 30 ms
26,000 KB |
testcase_47 | AC | 30 ms
23,960 KB |
testcase_48 | AC | 32 ms
23,964 KB |
testcase_49 | AC | 29 ms
23,980 KB |
testcase_50 | AC | 28 ms
23,960 KB |
testcase_51 | AC | 34 ms
26,036 KB |
testcase_52 | AC | 31 ms
26,012 KB |
testcase_53 | AC | 30 ms
24,108 KB |
testcase_54 | AC | 28 ms
23,956 KB |
testcase_55 | AC | 29 ms
25,860 KB |
testcase_56 | AC | 29 ms
26,116 KB |
testcase_57 | AC | 29 ms
23,832 KB |
testcase_58 | AC | 31 ms
25,908 KB |
testcase_59 | AC | 30 ms
25,988 KB |
testcase_60 | AC | 39 ms
23,960 KB |
testcase_61 | AC | 37 ms
24,072 KB |
testcase_62 | AC | 28 ms
26,260 KB |
testcase_63 | AC | 28 ms
24,080 KB |
testcase_64 | AC | 28 ms
25,868 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.Text; using System.Linq; using System.Collections.Generic; class Program { private static readonly Scanner sc = new Scanner(); static void Main(string[] args) { int n = sc.Int; int m = sc.Int; string[] srkr = new string[n]; Flow mf = new Flow(n * m + 2); int s = n * m; int t = n * m + 1; for (int i = 0; i < n; i++) srkr[i] = sc.Str; int cntw = 0; int cntb = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (srkr[i][j] == 'w') { mf.AddEdge(s, i * m + j, 1); cntw++; } if (srkr[i][j] == 'b') { mf.AddEdge(i * m + j, t, 1); cntb++; } } } int[] dx = new int[] {1, -1, 0, 0}; int[] dy = new int[] {0, 0, 1, -1}; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { for (int k = 0; k < 4; k++) { int nx = i + dx[k], ny = j + dy[k]; if (nx < 0 || n <= nx || ny < 0 || m <= ny) continue; if (srkr[nx][ny] == 'b') mf.AddEdge(m * i + j, m * nx + ny, 1); } } } int cntpair = mf.MaximumFlow(s, t); int cnttwo = Math.Min(cntw, cntb) - cntpair; int cntone = Math.Max(cntw, cntb) - cntpair - cnttwo; Console.WriteLine(100 * cntpair + 10 * cnttwo + cntone); } } class Scanner { private string[] _str = new string[0]; private int _i; public string Str { get { if (_i >= _str.Length) { _str = Console.ReadLine().Split(' '); _i = 0; } return _str[_i++]; } } public int Int { get { return int.Parse(Str); } } public long Long { get { return long.Parse(Str); } } public double Double { get { return double.Parse(Str); } } } class Flow { private readonly List<Edge>[] _rn; private readonly int _n; private readonly int[] _level; private readonly int[] _itr; private class Edge { public int To; public int Cap; public int Rev; } public Flow(int n) { _n = n; _rn = new List<Edge>[n]; _level = new int[n]; _itr = new int[n]; for (var i = 0; i < n; i++) _rn[i] = new List<Edge>(); } public void AddEdge(int from, int to, int cap) { _rn[from].Add(new Edge { To = to, Cap = cap, Rev = _rn[to].Count }); _rn[to].Add(new Edge { To = from, Cap = 0, Rev = _rn[from].Count-1 }); } public int MaximumFlow(int s, int t) { var sum = 0; while (BFS(s, t)) { int d; Array.Clear(_itr, 0, _n); while ((d = DFS(s, t, int.MaxValue)) != 0) sum += d; } return sum; } private bool BFS(int s, int t) { for (var i = 0; i < _n; i++) _level[i] = -1; var q = new Queue<int>(); q.Enqueue(s); _level[s] = 0; while (q.Count != 0) { var v = q.Dequeue(); foreach (var e in _rn[v]) { if (e.Cap > 0 && _level[e.To] == -1) { q.Enqueue(e.To); _level[e.To] = _level[v] + 1; } } } return _level[t] != -1; } private int DFS(int v, int t, int f) { if (v == t) return f; for (; _itr[v] < _rn[v].Count; _itr[v]++) { var e = _rn[v][_itr[v]]; var reve = _rn[e.To][e.Rev]; if (e.Cap > 0 && _level[v] + 1 == _level[e.To]) { var d = DFS(e.To, t, Math.Min(f, e.Cap)); if (d != 0) { e.Cap -= d; reve.Cap += d; return d; } } } return 0; } }