Miner_AdvancedExam_14October2018

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace Miner_Advanced_14Octobr2018
{
    class Program
    {
        static void Main(string[] args)
        {
            int size = int.Parse(Console.ReadLine());
            char[,] field = new char[size, size];

            var directions = Console.ReadLine();

            Queue<string> commands = new Queue<string>(directions.Split(" ", StringSplitOptions.RemoveEmptyEntries));

            int countCoals = 0;
            int collectedCoals = 0;

            int minerRow = 0;
            int minerCol = 0;

            for (int row = 0; row < field.GetLength(0); row++)
            {
                var currentRow = Console.ReadLine()
                    .Split(" ", StringSplitOptions.RemoveEmptyEntries);

                for (int col = 0; col < field.GetLength(1); col++)
                {
                    field[row, col] = char.Parse(currentRow[col]);

                    if (field[row, col] == 's')
                    {
                        minerRow = row;
                        minerCol = col;
                    }
                    else if (field[row,col] == 'c')
                    {
                        countCoals++;
                    }
                }
            }

            while (true)
            {
                if (!commands.Any())
                {
                    break;
                }

                if (countCoals == collectedCoals)
                {
                    break;
                }
                var com = commands.Peek();

                if (com == "up")
                {
                    if (minerRow - 1 >= 0)
                    {
                        minerRow--;
                        char symbol = field[minerRow, minerCol];
                        if (symbol == 'e')
                        {
                            Console.WriteLine($"Game over! ({minerRow}, {minerCol})");
                            break;
                        }
                        else if (symbol == 'c')
                        {
                            collectedCoals++;
                            field[minerRow + 1, minerCol] = '*';
                            field[minerRow, minerCol] = 's';
                        }
                        else if (symbol == '*')
                        {
                            commands.Dequeue();
                            continue;
                        }
                        commands.Dequeue();
                    }
                    else
                    {
                        commands.Dequeue();
                    }
                }
                else if (com == "down")
                {
                    if (minerRow + 1 < size)
                    {
                        minerRow++;
                        char symbol = field[minerRow, minerCol];
                        if (symbol == 'e')
                        {
                            Console.WriteLine($"Game over! ({minerRow}, {minerCol})");
                            break;
                        }
                        else if (symbol == 'c')
                        {
                            collectedCoals++;
                            field[minerRow - 1, minerCol] = '*';
                            field[minerRow, minerCol] = 's';
                        }
                        else if (symbol == '*')
                        {
                            commands.Dequeue();
                            continue;
                        }
                        commands.Dequeue();
                    }
                    else
                    {
                        commands.Dequeue();
                    }
                }
                else if (com == "left")
                {
                    if (minerCol - 1 >= 0)
                    {
                        minerCol--;
                        char symbol = field[minerRow, minerCol];
                        if (symbol == 'e')
                        {
                            Console.WriteLine($"Game over! ({minerRow}, {minerCol})");
                            break;
                        }
                        else if (symbol == 'c')
                        {
                            collectedCoals++;
                            field[minerRow, minerCol + 1] = '*';
                            field[minerRow, minerCol] = 's';
                        }
                        else if (symbol =='*')
                        {
                            commands.Dequeue();
                            continue;
                        }
                        commands.Dequeue();
                    }
                    else
                    {
                        commands.Dequeue();
                    }
                }
                else if (com == "right")
                {
                    if (minerCol + 1 < size)
                    {
                        minerCol++;
                        char symbol = field[minerRow, minerCol];
                        if (symbol == 'e')
                        {
                            Console.WriteLine($"Game over! ({minerRow}, {minerCol})");
                            break;
                        }
                        else if (symbol == 'c')
                        {
                            collectedCoals++;
                            field[minerRow, minerCol - 1] = '*';
                            field[minerRow, minerCol] = 's';
                        }
                        else if (symbol == '*')
                        {
                            commands.Dequeue();
                            continue;
                        }
                        commands.Dequeue();
                    }
                    else
                    {
                        commands.Dequeue();
                    }
                }
            }

            if (commands.Count == 0 && collectedCoals != countCoals)
            {
                Console.WriteLine($"{countCoals - collectedCoals} coals left. ({minerRow}, {minerCol})");
            }
            else if (collectedCoals == countCoals)
            {
                Console.WriteLine($"You collected all coals! ({minerRow}, {minerCol})");
            }
        }
    }
}