結果
問題 | No.416 旅行会社 |
ユーザー | mban |
提出日時 | 2017-03-21 02:14:49 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,420 bytes |
コンパイル時間 | 982 ms |
コンパイル使用メモリ | 109,696 KB |
実行使用メモリ | 36,992 KB |
最終ジャッジ日時 | 2024-07-05 04:49:49 |
合計ジャッジ時間 | 12,334 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
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; using System.Collections.Generic; using System.Collections.Specialized; using System.Text; using System.Text.RegularExpressions; using System.Linq; using System.IO; using System.ComponentModel; class Program { static void Main(string[] args) { var alice = new Magatro(); alice.Scan(); alice.Solve(); } } public class Scanner { private StreamReader Sr; private string[] S; private int Index; private const char Separator = ' '; public Scanner() : this(Console.OpenStandardInput()) { Index = 0; S = new string[0]; } public Scanner(Stream source) { Sr = new StreamReader(source); } private string[] Line() { return Sr.ReadLine().Split(Separator); } public string Next() { string result; if (Index >= S.Length) { S = Line(); Index = 0; } result = S[Index]; Index++; return result; } public T Next<T>() { var converter = TypeDescriptor.GetConverter(typeof(T)); return (T)converter.ConvertFromString(Next()); } public int NextInt() { return int.Parse(Next()); } public double NextDouble() { return double.Parse(Next()); } public long NextLong() { return long.Parse(Next()); } public decimal NextDecimal() { return decimal.Parse(Next()); } public string[] StringArray(int index = 0) { Next(); Index = S.Length; return S.Skip(index).ToArray(); } public int[] IntArray(int index = 0) { return StringArray(index).Select(int.Parse).ToArray(); } public long[] LongArray(int index = 0) { return StringArray(index).Select(long.Parse).ToArray(); } public bool EndOfStream { get { return Sr.EndOfStream; } } } public class Magatro { private int N, M, Q; private Bridge[] AB, CD; private int[] Anser; private int[] Par; private List<int>[] Group; public void Scan() { Scanner cin = new Scanner(); N = cin.NextInt(); M = cin.NextInt(); Q = cin.NextInt(); var h = new HashSet<Bridge>(); CD = new Bridge[Q]; AB = new Bridge[M]; for (int i = 0; i < M; i++) { AB[i] = new Bridge(cin.NextInt() - 1, cin.NextInt() - 1); } for (int i = 0; i < Q; i++) { CD[i] = new Bridge(cin.NextInt() - 1, cin.NextInt() - 1); } } private bool Same(int x, int y) { return Root(x) == Root(y); } private void Union(int x, int y, int i) { int rX = Root(x); int rY = Root(y); if (rX == rY) { return; } int rZero = Root(0); if (rZero == rX) { foreach (int j in Group[rY]) { Anser[j] = i; } } else if (rZero == rY) { foreach (int j in Group[rX]) { Anser[j] = i; } } if (Group[rX].Count < Group[rY].Count) { Swap(ref rX, ref rY); } foreach (int j in Group[rY]) { Group[rX].Add(j); } Par[rY] = rX; } //かっこつけたかった private void Swap(ref int a, ref int b) { a ^= b; b ^= a; a ^= b; } private int Root(int x) { return Par[x] == x ? x : Root(Par[x]); } public void Solve() { AB = AB.Except(CD).ToArray(); Par = new int[N]; for (int i = 0; i < N; i++) { Par[i] = i; } Group = new List<int>[N]; for (int i = 0; i < N; i++) { Group[i] = new List<int>(); Group[i].Add(i); } Anser = new int[N]; foreach (var b in AB) { Union(b.A, b.B, -1); } for(int i = Q - 1; i >= 0; i--) { var b = CD[i]; Union(b.A, b.B, i + 1); } for(int i = 1; i < N; i++) { Console.WriteLine(Anser[i]); } } } struct Bridge { public int A, B; public Bridge(int a, int b) { A = a; B = b; } }