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()
    {

    }
}


// 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;
    }
}