#9241 (C#(csc)) No.30 たこやき工場

• 問題: No.30 たこやき工場
• ユーザー: 紙ぺーぱー
• 提出日時: 2015-01-17 20:38:52
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 29 ms / 5,000 ms
• コード長: 5,198 bytes
• コンパイル時間: 2,650 ms
• コンパイル使用メモリ: 115,336 KB
• 実行使用メモリ: 26,752 KB
• 最終ジャッジ日時: 2024-06-01 02:56:46
• 合計ジャッジ時間: 2,359 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	27 ms; 24,680 KB
testcase_01	AC	28 ms; 24,620 KB
testcase_02	AC	28 ms; 24,416 KB
testcase_03	AC	28 ms; 24,580 KB
testcase_04	AC	29 ms; 26,712 KB
testcase_05	AC	27 ms; 22,704 KB
testcase_06	AC	27 ms; 22,712 KB
testcase_07	AC	28 ms; 26,752 KB
testcase_08	AC	28 ms; 24,708 KB
testcase_09	AC	28 ms; 26,504 KB
testcase_10	AC	29 ms; 24,708 KB
testcase_11	AC	28 ms; 24,544 KB
testcase_12	AC	27 ms; 24,424 KB
testcase_13	AC	28 ms; 24,580 KB
testcase_14	AC	28 ms; 24,668 KB
testcase_15	AC	28 ms; 24,548 KB
testcase_16	AC	27 ms; 24,544 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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
//using System.Numerics;
namespace Program
{
    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var G = Enumerate(n, x => new List<KeyValuePair<int, int>>());
            var m = sc.Integer();
            for (int i = 0; i < m; i++)
            {
                var a = sc.Integer() - 1;
                var b = sc.Integer();
                var c = sc.Integer() - 1;
                G[c].Add(new KeyValuePair<int, int>(a, b));
            }
            var count = new int[n];
            foreach (var l in G)
                foreach (var kv in l) count[kv.Key]++;
            var need = new int[n];
            need[n - 1] = 1;
            var ans = new int[n];
            var q = new Queue<int>();
            for (int i = 0; i < n; i++)
                if (count[i] == 0) q.Enqueue(i);
            while (q.Any())
            {
                var p = q.Dequeue();
                foreach (var kv in G[p])
                {
                    if (--count[kv.Key] == 0) q.Enqueue(kv.Key);
                    need[kv.Key] += need[p] * kv.Value;
                }
                if (G[p].Count == 0)
                    ans[p] = need[p];
            }
            for (int i = 0; i < n - 1; i++)
                IO.Printer.Out.WriteLine(ans[i]);
        }


        internal IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(); return a; }
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
    }
}

#region Ex
namespace Program.IO
{
    using System.IO;
    using System.Linq;
    public class Printer : StreamWriter
    {
        static Printer()
        {
            Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false };
        }
        public static Printer Out { get; set; }
        public override IFormatProvider FormatProvider { get { return System.Globalization.CultureInfo.InvariantCulture; } }
        public Printer(System.IO.Stream stream) : base(stream, new System.Text.UTF8Encoding(false, true)) { }
        public void Write<T>(string format, IEnumerable<T> source) { base.Write(format, source.OfType<object>().ToArray()); }
        public void WriteLine<T>(string format, IEnumerable<T> source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
    }
    public class StreamScanner
    {
        public StreamScanner(Stream stream) { str = stream; }
        private readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof = false;
        public bool IsEndOfStream { get { return isEof; } }
        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); return (char)b; }
        public char[] Char(int n) { var a = new char[n]; for (int i = 0; i < n; i++) a[i] = Char(); return a; }
        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 long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != '-' && (b < '0' || '9' < b));
            if (b == '-') { ng = true; b = read(); }
            for (; true; b = read())
            {
                if (b < '0' || '9' < b)
                    return ng ? -ret : ret;
                else ret = ret * 10 + b - '0';
            }
        }
        public int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
        public double Double() { return double.Parse(Scan(), System.Globalization.CultureInfo.InvariantCulture); }
        private T[] enumerate<T>(int n, Func<T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f();
            return a;
        }

        public string[] Scan(int n) { return enumerate(n, Scan); }
        public double[] Double(int n) { return enumerate(n, Double); }
        public int[] Integer(int n) { return enumerate(n, Integer); }
        public long[] Long(int n) { return enumerate(n, Long); }
        public void Flush() { str.Flush(); }

    }
}
static class Ex
{
    static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
    static public void Main()
    {
        var solver = new Program.Solver();
        solver.Solve();
        Program.IO.Printer.Out.Flush();
    }
}
#endregion