結果
問題 | No.697 池の数はいくつか |
ユーザー | chika0707 |
提出日時 | 2019-04-17 23:15:18 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 5,764 ms / 6,000 ms |
コード長 | 2,994 bytes |
コンパイル時間 | 2,501 ms |
コンパイル使用メモリ | 108,160 KB |
実行使用メモリ | 153,228 KB |
最終ジャッジ日時 | 2024-11-08 08:12:14 |
合計ジャッジ時間 | 33,926 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 28 ms
19,968 KB |
testcase_01 | AC | 29 ms
19,968 KB |
testcase_02 | AC | 29 ms
19,968 KB |
testcase_03 | AC | 28 ms
19,968 KB |
testcase_04 | AC | 28 ms
19,840 KB |
testcase_05 | AC | 28 ms
19,840 KB |
testcase_06 | AC | 29 ms
19,840 KB |
testcase_07 | AC | 28 ms
19,712 KB |
testcase_08 | AC | 27 ms
19,712 KB |
testcase_09 | AC | 29 ms
20,096 KB |
testcase_10 | AC | 28 ms
20,096 KB |
testcase_11 | AC | 28 ms
19,840 KB |
testcase_12 | AC | 27 ms
19,840 KB |
testcase_13 | AC | 29 ms
19,968 KB |
testcase_14 | AC | 29 ms
19,840 KB |
testcase_15 | AC | 29 ms
19,712 KB |
testcase_16 | AC | 28 ms
19,968 KB |
testcase_17 | AC | 29 ms
19,840 KB |
testcase_18 | AC | 29 ms
19,840 KB |
testcase_19 | AC | 29 ms
20,096 KB |
testcase_20 | AC | 28 ms
19,840 KB |
testcase_21 | AC | 28 ms
19,968 KB |
testcase_22 | AC | 27 ms
19,968 KB |
testcase_23 | AC | 29 ms
20,224 KB |
testcase_24 | AC | 451 ms
46,744 KB |
testcase_25 | AC | 450 ms
46,872 KB |
testcase_26 | AC | 465 ms
46,872 KB |
testcase_27 | AC | 451 ms
46,744 KB |
testcase_28 | AC | 456 ms
47,004 KB |
testcase_29 | AC | 5,738 ms
152,972 KB |
testcase_30 | AC | 3,927 ms
152,596 KB |
testcase_31 | AC | 5,764 ms
153,228 KB |
testcase_32 | AC | 3,931 ms
152,980 KB |
testcase_33 | AC | 3,894 ms
152,996 KB |
testcase_34 | AC | 3,908 ms
152,988 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; using static Input; public class Prog { private const int INF = 1000000007; private const long INFINITY = 9223372036854775807; private struct Pair { public int x, y; } private static int[] dx = { 1, 0, -1, 0 }; private static int[] dy = { 0, -1, 0, 1 }; public static void Main() { int H = NextInt(); int W = NextInt(); int[,] map = new int[H, W]; for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) map[i, j] = NextInt(); UnionFind UF = new UnionFind(H * W); for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) { if (map[i, j] != 1) continue; for (int d = 0; d < 4; d++) { int xx = j + dx[d]; int yy = i + dy[d]; if (xx < 0 || W <= xx || yy < 0 || H <= yy) continue; if (map[yy, xx] == 1) UF.Unite(i * W + j, yy * W + xx); } } HashSet<int> pos = new HashSet<int>(); for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) { if (map[i, j] == 0) { continue; } int k = i * W + j; int r = UF.Root(k); //if (!pos.Contains(r)) pos.Add(r); } Console.WriteLine(pos.Count()); } } public class UnionFind { public List<int> parent = new List<int>(); public UnionFind(int N) { for (int i = 0; i < N; i++) parent.Add(i); } public int Root(int a) { if (parent[a] == a) return a; else return parent[a] = Root(parent[a]); } public void Unite(int a, int b) { a = Root(a); b = Root(b); if (a == b) return; parent[a] = parent[b]; } public bool Same(int a, int b) { return (Root(a) == Root(b)); } } public class Input { private static Queue<string> q = new Queue<string>(); private static void Confirm() { if (q.Count == 0) foreach (var s in Console.ReadLine().Split(' ')) q.Enqueue(s); } public static int NextInt() { Confirm(); return int.Parse(q.Dequeue()); } public static long NextLong() { Confirm(); return long.Parse(q.Dequeue()); } public static char NextChar() { Confirm(); return char.Parse(q.Dequeue()); } public static string NextString() { Confirm(); return q.Dequeue(); } public static double NextDouble() { Confirm(); return double.Parse(q.Dequeue()); } public static int[] LineInt() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } public static long[] LineLong() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } public static string[] LineString() { return Console.ReadLine().Split(' ').ToArray(); } public static double[] LineDouble() { return Console.ReadLine().Split(' ').Select(double.Parse).ToArray(); } }