AdventOfCode2021/day4.cs

using System.Diagnostics.Metrics;
using System.Runtime.CompilerServices;
using System.Security.Cryptography.X509Certificates;
using System.Xml;

class day4
{
    string[] input;
    string[] number = "37,60,87,13,34,72,45,49,61,27,97,88,50,30,76,40,63,9,38,67,82,6,59,90,99,54,11,66,98,23,64,14,18,4,10,89,46,32,19,5,1,53,25,96,2,12,86,58,41,68,95,8,7,3,85,70,35,55,77,44,36,51,15,52,56,57,91,16,71,92,84,17,33,29,47,75,80,39,83,74,73,65,78,69,21,42,31,93,22,62,24,48,81,0,26,43,20,28,94,79".Split(',');



    public day4(string day)
    {
        input = getInput(day);
        part1();
        part2();
    }
    public string[] getInput(string day)
    {
        string filepath = $"../../../inputs/{day}.txt";
        string[] file = File.ReadAllLines(filepath);

        return file;
    }

    public void part1()
    {
        int result = 0;
        List<Field> fields = new List<Field>();
        int index = 0 ;
        
        while (index <= input.Length)
        {
            int rowIndex = 0;
            var bingoField = new string[5, 5];
            
            while (rowIndex < 5) { 
                for(int i = 0; i < 5; i++)
                {
                    bingoField[rowIndex,i] = $"[{input[index + rowIndex].Split(' ',StringSplitOptions.RemoveEmptyEntries)[i]}]";
                }
                rowIndex++;
            }
           
            fields.Add(new Field(bingoField));
            index += 6;
        }
        string markedNumber = "";
        bool bingo = false;

        
            foreach (string mNumber in number) {
                while (bingo == false)
                {
                    foreach (Field field in fields)
                    {
                        markedNumber = mNumber;
                        field.markNumber(mNumber);
                        if (field.checkBingo())
                        {
                            Console.WriteLine(mNumber);
                            field.printField();
                            result += field.checkUmarkedNumbers();
                            bingo= true;
                            break;
                        }
                    }
                break;
            }
        }
        int markedNumberI = int.Parse(markedNumber);
        Console.WriteLine($"Part 1: {result * markedNumberI}");
    }
    public void part2()
    {
        int result = 0;
        List<Field> fields = new List<Field>();
        

        Console.WriteLine($"Part 2: {result}");
    }
}


    // Fiel Class wiht field Methods
    class Field
    {

        string[,] bingoField = new string[5, 5];

        public Field(string[,] bingoField)
        {
            this.bingoField = bingoField;
        }

        // Will mark the actualy number in the cyclus with a X
        public void markNumber(string markNumber)
        {
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    if (bingoField[i, j].Contains($"[{markNumber}]"))
                    {
                        bingoField[i, j] = $"[X{markNumber}]";
                    }
                }
            }
        }

        // Checking row (horizontal) column (vertikal) if a Bingo is happens
        public bool checkBingo()
        {
            bool bingo = false;
            int counter = 0;
            int rowNr = 0;
            int columnNr = 0;

            while (rowNr < 5)
            {
                for (int i = 0; i < 5; i++)
                {
                    if (bingoField[rowNr, i].Contains("X"))
                    {
                        counter++;
                        if (counter == 5)
                        {
                            bingo = true;
                            Console.WriteLine("Bingo");
                            return bingo;

                        }
                    }
                }
                counter = 0;
                rowNr++;
            }
            while (columnNr < 5)
            {
                for (int i = 0; i < 5; i++)
                {
                    if (bingoField[i, columnNr].Contains("X"))
                    {
                        counter++;
                        if (counter == 5)
                        {
                            bingo = true;
                            Console.WriteLine("Bingo");

                            return bingo;

                        }
                    }
                }
                counter = 0;
                columnNr++;
            }
            return bingo;
        }

        // Simple field Print
        public void printField()
        {
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    Console.Write(bingoField[i, j]);
                }
                Console.WriteLine(" ");
            }
            Console.WriteLine("\n");
        }

        // Returns a sum of all unmarked numbers in the field
        public int checkUmarkedNumbers()
        {
            int result = 0;
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    if (!bingoField[i, j].Contains("X"))
                    {
                        string tmp = bingoField[i, j].Substring(1, bingoField[i, j].Length - 2);
                        result += int.Parse(tmp);
                    }
                }

            }
            return result;
        }
    }