#284808 (C#(csc)) No.154 市バス

• 問題: No.154 市バス
• ユーザー: oreoreoresan
• 提出日時: 2018-09-13 13:45:00
• 言語: C#(csc) (csc 3.9.0)
• 結果: TLE
• 実行時間: -
• コード長: 2,117 bytes
• コンパイル時間: 770 ms
• コンパイル使用メモリ: 112,960 KB
• 実行使用メモリ: 32,876 KB
• 最終ジャッジ日時: 2024-07-01 04:23:55
• 合計ジャッジ時間: 16,481 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

ファイルパターン	結果
sample	RE * 1
other	AC * 4 TLE * 4

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

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace shibasu
{
    class Program
    {
        private static int IsShibusPossible(string arg)
        {
            string local_arg = arg;
            int W_pos = local_arg.IndexOf("W");
            int G_pos = local_arg.IndexOf("G");
            int R_pos = local_arg.IndexOf("R");
            if (G_pos == -1 && R_pos == -1)
            {
                return 1;
            }
            if (W_pos == -1 || G_pos == -1 || R_pos == -1)
            {
                return -1;
            }
            if(W_pos > G_pos || W_pos > R_pos)
            {
                return -1;
            }
            if (G_pos > R_pos)
            {
                return -1;
            }
            local_arg = local_arg.Remove(local_arg.IndexOf("W"), 1);
            local_arg = local_arg.Remove(local_arg.IndexOf("G"), 1);
            local_arg = local_arg.Remove(local_arg.IndexOf("R"), 1);
            return IsShibusPossible(local_arg);
        }
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            int num = int.Parse(s);
            for(int i = 0; i < num; i++)
            {
                string one_data = Console.ReadLine();
                // ひとつもGRが無い
                int G_pos = one_data.IndexOf("G");
                int R_pos = one_data.IndexOf("R");
                if (G_pos == -1 || R_pos == -1)
                {
                    Console.WriteLine("impossible");
                    continue;
                }
                // Wの後にGRが無い
                int W_pos = one_data.LastIndexOf("W");
                string w_data = one_data.Substring(W_pos);
                G_pos = w_data.IndexOf("G");
                R_pos = w_data.IndexOf("R");
                if (G_pos == -1 || R_pos == -1)
                {
                    Console.WriteLine("impossible");
                    continue;
                }
                if (IsShibusPossible(one_data) == 1)
                {
                    Console.WriteLine("possible");
                }
                else
                {
                    Console.WriteLine("impossible");
                }
            }
        }
    }
}
 
 
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