AdventOfCode2021/day1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace AdventOfCode2021
{
    internal class day1
    {
        string[] input;

        public day1(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 temp = int.Parse(input[0]);
            int counter = 0;
            for(int i = 0; i < input.Length; i++)
            {
                if (int.Parse(input[i]) > temp)
                {
                    temp = int.Parse(input[i]);
                    counter++;
                }
                else
                {
                    temp = int.Parse(input[i]);
                }
            }
            Console.WriteLine($"Part 1 : {counter}");

        }
        public void part2()
        {
            int temp = computeWindow(0);
            int counter = 0;

            for (int i = 3; i < input.Length; i++)
            {
                if(computeWindow(i -2) > temp)
                {
                    counter++;
                    temp= computeWindow(i - 2);
                }
                else
                {
                    temp = computeWindow(i - 2);
                }

            }

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


        }

        public int computeWindow(int index)
        {
            int window = int.Parse(input[index]) + int.Parse(input[index + 1]) + int.Parse(input[index + 2]);  
            return window;
        }

       
    }
}