Submission #46539612

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Source Code Expand

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;

namespace Tasks;

public class C
{
    public static void Main()
    {
        using var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
        Console.SetOut(sw);
        Solve();
        Console.Out.Flush();
    }

    public static void Solve()
    {
        var (N, T) = Scanner.Scan<int, string>();
        var answers = new List<int>();
        const int Inf = 1 << 30;
        for (var i = 0; i < N; i++)
        {
            var S = Scanner.Scan<string>();
            if (S == T)
            {
                answers.Add(i + 1);
                continue;
            }

            if (Math.Abs(S.Length - T.Length) > 1) continue;
            var si = 0;
            var ti = 0;
            var diff = 0;
            var ok = true;
            while (si < S.Length && ti < T.Length && ok)
            {
                if (S[si] == T[ti])
                {
                    si++;
                    ti++;
                }
                else
                {
                    if (diff < 1)
                    {
                        diff++;
                        if (S.Length < T.Length) ti++;
                        else if (T.Length < S.Length) si++;
                        else { si++; ti++; }
                    }
                    else
                    {
                        ok = false;
                    }
                }
            }

            if (ok) answers.Add(i + 1);
        }

        Console.WriteLine(answers.Count);
        if (answers.Count == 0) Console.WriteLine();
        else Console.WriteLine(string.Join(" ", answers));
    }

    public static class Scanner
    {
        public static T Scan<T>() where T : IConvertible => Convert<T>(ScanStringArray()[0]);
        public static (T1, T2) Scan<T1, T2>() where T1 : IConvertible where T2 : IConvertible
        {
            var input = ScanStringArray();
            return (Convert<T1>(input[0]), Convert<T2>(input[1]));
        }
        public static (T1, T2, T3) Scan<T1, T2, T3>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible
        {
            var input = ScanStringArray();
            return (Convert<T1>(input[0]), Convert<T2>(input[1]), Convert<T3>(input[2]));
        }
        public static (T1, T2, T3, T4) Scan<T1, T2, T3, T4>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible
        {
            var input = ScanStringArray();
            return (Convert<T1>(input[0]), Convert<T2>(input[1]), Convert<T3>(input[2]), Convert<T4>(input[3]));
        }
        public static (T1, T2, T3, T4, T5) Scan<T1, T2, T3, T4, T5>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible where T5 : IConvertible
        {
            var input = ScanStringArray();
            return (Convert<T1>(input[0]), Convert<T2>(input[1]), Convert<T3>(input[2]), Convert<T4>(input[3]), Convert<T5>(input[4]));
        }
        public static (T1, T2, T3, T4, T5, T6) Scan<T1, T2, T3, T4, T5, T6>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible where T5 : IConvertible where T6 : IConvertible
        {
            var input = ScanStringArray();
            return (Convert<T1>(input[0]), Convert<T2>(input[1]), Convert<T3>(input[2]), Convert<T4>(input[3]), Convert<T5>(input[4]), Convert<T6>(input[5]));
        }
        public static IEnumerable<T> ScanEnumerable<T>() where T : IConvertible => ScanStringArray().Select(Convert<T>);
        private static string[] ScanStringArray()
        {
            var line = Console.ReadLine()?.Trim() ?? string.Empty;
            return string.IsNullOrEmpty(line) ? Array.Empty<string>() : line.Split(' ');
        }
        private static T Convert<T>(string value) where T : IConvertible => (T)System.Convert.ChangeType(value, typeof(T));
    }
}

Submission Info

Compile Error

/judge/Main.cs(24,19): warning CS0219: The variable 'Inf' is assigned but its value is never used [/judge/Main.csproj]

Judge Result