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 23:09:59 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 5,471 ms / 6,000 ms |
コード長 | 2,972 bytes |
コンパイル時間 | 1,029 ms |
コンパイル使用メモリ | 113,908 KB |
実行使用メモリ | 161,460 KB |
最終ジャッジ日時 | 2024-04-25 20:26:10 |
合計ジャッジ時間 | 31,245 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 27 ms
26,108 KB |
testcase_01 | AC | 26 ms
26,028 KB |
testcase_02 | AC | 26 ms
26,104 KB |
testcase_03 | AC | 28 ms
28,076 KB |
testcase_04 | AC | 26 ms
26,232 KB |
testcase_05 | AC | 29 ms
28,204 KB |
testcase_06 | AC | 27 ms
26,112 KB |
testcase_07 | AC | 27 ms
27,952 KB |
testcase_08 | AC | 25 ms
26,248 KB |
testcase_09 | AC | 26 ms
26,288 KB |
testcase_10 | AC | 26 ms
26,104 KB |
testcase_11 | AC | 26 ms
26,100 KB |
testcase_12 | AC | 25 ms
25,852 KB |
testcase_13 | AC | 26 ms
23,860 KB |
testcase_14 | AC | 26 ms
24,112 KB |
testcase_15 | AC | 27 ms
26,168 KB |
testcase_16 | AC | 26 ms
27,948 KB |
testcase_17 | AC | 27 ms
26,108 KB |
testcase_18 | AC | 26 ms
28,092 KB |
testcase_19 | AC | 26 ms
26,160 KB |
testcase_20 | AC | 26 ms
25,976 KB |
testcase_21 | AC | 26 ms
28,080 KB |
testcase_22 | AC | 26 ms
26,280 KB |
testcase_23 | AC | 28 ms
27,892 KB |
testcase_24 | AC | 417 ms
54,944 KB |
testcase_25 | AC | 423 ms
53,024 KB |
testcase_26 | AC | 429 ms
51,152 KB |
testcase_27 | AC | 436 ms
56,992 KB |
testcase_28 | AC | 431 ms
55,112 KB |
testcase_29 | AC | 5,471 ms
161,460 KB |
testcase_30 | AC | 3,630 ms
160,824 KB |
testcase_31 | AC | 5,419 ms
161,272 KB |
testcase_32 | AC | 3,602 ms
157,380 KB |
testcase_33 | AC | 3,678 ms
161,352 KB |
testcase_34 | AC | 3,590 ms
159,284 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(); } }