[C#] Exam - 04. Trifon's Quest

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


class TrifonQuest
{
    static void Main()
    {
        long health = long.Parse(Console.ReadLine());
        int[] tokens = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
        int rows = tokens[0];
        int cols = tokens[1];
        char[][] matrix = new char[rows][];
        for (int i = 0; i < rows; i++)
        {
            matrix[i] = Console.ReadLine().ToCharArray();
        }
        int row = 0;
        int col = 0;
        int dir = 1;
        long turns = 0;
        bool alive = true;
        int steps = 0;
        while (col != cols)
        {
            while (true)
            {

                switch (matrix[row][col])
                {
                    case 'F':
                        health = health - turns / 2;
                        turns++;


                        break;
                    case 'H':
                        health = health + turns / 3;
                        turns++;

                        break;
                    case 'T':
                        turns = turns + 2;
                        turns++;

                        break;
                    case 'E':
                        turns++;

                        break;
                    default:
                        break;
                }
                steps++;
                if (health <= 0)
                {
                    alive = false;
                    Console.WriteLine($"Died at: [{row}, {col}]");
                }
                if (alive==false)
                {
                    break;
                }
                if (steps == rows*cols)
                {
                    Console.WriteLine("Quest completed!");
                    Console.WriteLine($"Health: {health}");
                    Console.WriteLine($"Turns: {turns}");
                }
                row += dir;
                if (row == rows)
                {
                    row--;
                    break;
                }
                else if (row == -1)
                {
                    row++;
                    break;
                }
            }
            if (alive==false)
            {
                break;
            }
            dir = -dir;
            col++;

        }



    }
}