Submission #41548153

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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 B
    {
        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 (H, W) = Scanner.Scan<int, int>();
            var S = new char[H][];
            const string Snuke = "snuke";

            for (var i = 0; i < H; i++)
            {
                S[i] = Scanner.Scan<string>().ToCharArray();
            }

            bool F(int h, int w, int dh, int dw, int i)
            {
                if (i >= 5) return true;
                var result = true;
                var nh = h + dh * i;
                var nw = w + dw * i;
                if (nh < 0 || nh >= H || nw < 0 || nw >= W) return false;
                result &= S[nh][nw] == Snuke[i];
                result &= F(h, w, dh, dw, i + 1);
                return result;
            }

            for (var i = 0; i < H; i++)
            {
                for (var j = 0; j < W; j++)
                {
                    for (var dh = -1; dh <= 1; dh++)
                    {
                        for (var dw = -1; dw <= 1; dw++)
                        {
                            if (F(i, j, dh, dw, 0))
                            {
                                for (var k = 0; k < 5; k++)
                                {
                                    Console.WriteLine($"{i + 1 + dh * k} {j + 1 + dw * k}");
                                }

                                return;
                            }
                        }
                    }
                }
            }
        }

        public static class Scanner
        {
            public static T Scan<T>() where T : IConvertible => Convert<T>(Scan()[0]);
            public static (T1, T2) Scan<T1, T2>() where T1 : IConvertible where T2 : IConvertible
            {
                var buffer = Scan();
                return (Convert<T1>(buffer[0]), Convert<T2>(buffer[1]));
            }
            public static (T1, T2, T3) Scan<T1, T2, T3>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible
            {
                var buffer = Scan();
                return (Convert<T1>(buffer[0]), Convert<T2>(buffer[1]), Convert<T3>(buffer[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 buffer = Scan();
                return (Convert<T1>(buffer[0]), Convert<T2>(buffer[1]), Convert<T3>(buffer[2]), Convert<T4>(buffer[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 buffer = Scan();
                return (Convert<T1>(buffer[0]), Convert<T2>(buffer[1]), Convert<T3>(buffer[2]), Convert<T4>(buffer[3]), Convert<T5>(buffer[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 buffer = Scan();
                return (Convert<T1>(buffer[0]), Convert<T2>(buffer[1]), Convert<T3>(buffer[2]), Convert<T4>(buffer[3]), Convert<T5>(buffer[4]), Convert<T6>(buffer[5]));
            }
            public static IEnumerable<T> ScanEnumerable<T>() where T : IConvertible => Scan().Select(Convert<T>);
            private static string[] Scan()
            {
                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

Judge Result