aoc/AdventOfCode/TwentyTwenty/One.cs

using AdventOfCode.Contracts;
using AoC.Utils;
using System;
using System.Diagnostics;

namespace AoC.TwentyTwenty
{
    class One : Day
    {
        public override int Year => 2020;
        public override int DayNumber => 1;

        public override void BigBoi(string[] input)
        {
            throw new NotImplementedException();
        }

        public override void Part1(string[] input)
        {
            int[] nums = input.ToIntArray();

            for (int i = 0; i < nums.Length; i++)
            {
                for (int j = 0; j < nums.Length; j++)
                {
                    if (nums[i] + nums[j] == 2020) {
                        Print("1", nums[i] * nums[j]);
                        return;
                    }
                }
            }
        }

        public override void Part2(string[] input)
        {
            Stopwatch sw = Stopwatch.StartNew();
            int[] nums = input.ToIntArray();

            for (int i = 0; i < nums.Length; i++)
            {
                for (int j = 0; j < nums.Length; j++)
                {
                    for (int k = 0; k < nums.Length; k++)
                    {
                        if (nums[i] + nums[j] + nums[k] == 2020)
                        {
                            Print("2", nums[i] * nums[j] * nums[k]);
                            Console.WriteLine(sw.Elapsed);
                            return;
                        }
                    }

                }
            }
        }
    }
}