結果
問題 | No.812 Change of Class |
ユーザー |
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提出日時 | 2019-04-14 16:08:30 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 772 ms / 4,000 ms |
コード長 | 4,582 bytes |
コンパイル時間 | 4,001 ms |
コンパイル使用メモリ | 120,736 KB |
実行使用メモリ | 59,056 KB |
最終ジャッジ日時 | 2024-06-12 20:45:20 |
合計ジャッジ時間 | 22,605 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 60 |
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.Linq; using System.Collections.Generic; using Debug = System.Diagnostics.Trace; using SB = System.Text.StringBuilder; //using System.Numerics; using static System.Math; using Number = System.Int64; namespace Program { public class Solver { Random rnd = new Random(0); public void Solve() { var n = ri; var m = ri; var G = Enumerate(n, x => new List<int>()); foreach (var i in Rep(m)) { var u = ri - 1; var v = ri - 1; G[u].Add(v); G[v].Add(u); } var q = ri; foreach (var i in Rep(q)) { var s = ri - 1; var dist = Enumerate(n, x => 1 << 30); dist[s] = 0; var pq = new Queue<int>(); pq.Enqueue(s); while (pq.Count > 0) { var u = pq.Dequeue(); foreach (var t in G[u]) { if (dist[t] > dist[u] + 1) { dist[t] = dist[u] + 1; pq.Enqueue(t); } } } Debug.WriteLine(dist.AsJoinedString()); var cnt = dist.Count(x => x != 1 << 30) - 1; var max = dist.Where(x => x != 1 << 30).Max(); for (int ans = 0; ; ans++) if (max <= (1 << ans)) { Console.WriteLine($"{cnt} {ans}"); break; } } } const long INF = 1L << 60; int ri => sc.Integer(); long rl => sc.Long(); double rd => sc.Double(); string rs => sc.Scan(); public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput()); static IEnumerable<int> Rep(int n) => Enumerable.Range(0, n); static IEnumerable<int> RRep(int n) => Enumerable.Range(0, n).Reverse(); static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < a.Length; ++i) a[i] = f(i); return a; } static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; } } } #region main static class Ex { static public string AsString(this IEnumerable<char> ie) { return new string(ie.ToArray()); } static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); } static public void Main() { Console.SetOut(new Program.IO.Printer(Console.OpenStandardOutput()) { AutoFlush = false }); var solver = new Program.Solver(); solver.Solve(); Console.Out.Flush(); } } #endregion #region Ex namespace Program.IO { using System.IO; using System.Text; using System.Globalization; public class Printer : StreamWriter { public override IFormatProvider FormatProvider => CultureInfo.InvariantCulture; public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) { } } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } public readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; private byte read() { if (isEof) return 0; if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public string ScanLine() { var sb = new StringBuilder(); for (var b = Char(); b != '\n' && b != 0; b = (char)read()) if (b != '\r') sb.Append(b); return sb.ToString(); } public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); } public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); } public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); } } } #endregion