結果
問題 | No.556 仁義なきサルたち |
ユーザー | くれちー |
提出日時 | 2017-08-12 01:21:46 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 47 ms / 2,000 ms |
コード長 | 3,078 bytes |
コンパイル時間 | 1,953 ms |
コンパイル使用メモリ | 121,256 KB |
実行使用メモリ | 25,088 KB |
最終ジャッジ日時 | 2024-10-12 22:50:13 |
合計ジャッジ時間 | 3,184 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 | 25 ms
19,072 KB |
testcase_01 | AC | 26 ms
18,944 KB |
testcase_02 | AC | 26 ms
18,816 KB |
testcase_03 | AC | 26 ms
19,072 KB |
testcase_04 | AC | 27 ms
18,944 KB |
testcase_05 | AC | 26 ms
19,200 KB |
testcase_06 | AC | 31 ms
19,840 KB |
testcase_07 | AC | 31 ms
19,328 KB |
testcase_08 | AC | 30 ms
19,456 KB |
testcase_09 | AC | 32 ms
19,712 KB |
testcase_10 | AC | 33 ms
19,712 KB |
testcase_11 | AC | 32 ms
19,840 KB |
testcase_12 | AC | 32 ms
19,840 KB |
testcase_13 | AC | 33 ms
19,968 KB |
testcase_14 | AC | 35 ms
20,992 KB |
testcase_15 | AC | 36 ms
21,504 KB |
testcase_16 | AC | 37 ms
21,760 KB |
testcase_17 | AC | 38 ms
23,040 KB |
testcase_18 | AC | 44 ms
24,380 KB |
testcase_19 | AC | 44 ms
24,704 KB |
testcase_20 | AC | 47 ms
24,960 KB |
testcase_21 | AC | 47 ms
25,088 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.IO; using System.Linq; using System.Numerics; using System.Text; using static System.Console; using static System.Convert; using static System.Math; using static Extentions; class IO { int idx; string[] input = In.ReadToEnd().Split(new[] { " ", "\n", "\r" }, StringSplitOptions.RemoveEmptyEntries); T Get<T>(Func<string, T> parser) => parser(input[idx++]); public string S => Get(s => s); public char C => Get(char.Parse); public int I => Get(int.Parse); public long L => Get(long.Parse); public double F => Get(double.Parse); public decimal D => Get(decimal.Parse); public BigInteger B => Get(BigInteger.Parse); T[] Gets<T>(int n, Func<string, T> parser) => input.Skip((idx += n) - n).Take(n).Select(parser).ToArray(); public string[] Ss(int n) => Gets(n, s => s); public char[] Cs(int n) => Gets(n, char.Parse); public int[] Is(int n) => Gets(n, int.Parse); public long[] Ls(int n) => Gets(n, long.Parse); public double[] Fs(int n) => Gets(n, double.Parse); public decimal[] Ds(int n) => Gets(n, decimal.Parse); public BigInteger[] Bs(int n) => Gets(n, BigInteger.Parse); public void Write<T>(params T[] xs) => WriteLine(string.Join(" ", xs)); public void Write(params object[] xs) => WriteLine(string.Join(" ", xs)); } class UnionFind { int[] tree; public int CountGroups => tree.Count(x => x < 0); public UnionFind(int length) { tree = Enumerable.Repeat(-1, length).ToArray(); } public bool Union(int x, int y) { x = this.Find(x); y = this.Find(y); if (x == y) return false; // if (tree[x] > tree[y]) Swap(ref x, ref y); tree[x] += tree[y]; tree[y] = x; return true; } public int Find(int x) { if (tree[x] < 0) return x; return tree[x] = this.Find(tree[x]); } public bool IsSameGroup(int x, int y) => this.Find(x) == this.Find(y); public int Count(int x) => -tree[Find(x)]; } static class Extentions { public static void Swap<T>(ref T x, ref T y) { var tmp = x; x = y; y = tmp; } } static class Program { public static void Main() { var sw = new StreamWriter(OpenStandardOutput()) { NewLine = "\n" }; #if DEBUG sw.AutoFlush = true; #else sw.AutoFlush = false; #endif SetOut(sw); Solve(new IO()); Out.Flush(); } static void Solve(IO io) { var n = io.I; var m = io.I; var uf = new UnionFind(n); for (var i = 0; i < m; i++) { var a = io.I - 1; var b = io.I - 1; var ab = uf.Find(a); var bb = uf.Find(b); var ac = uf.Count(a); var bc = uf.Count(b); if (ac == bc && ab < bb || ac > bc) uf.Union(a, b); if (ac == bc && ab > bb || ac < bc) uf.Union(b, a); } for (var i = 0; i < n; i++) io.Write(uf.Find(i) + 1); } }