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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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
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);
}
}
くれちー