johnboker

using System;
using System.Collections.Generic;
using System.Linq;

namespace AdventOfCodeDay9
{
	public static class Extensions
	{
		public static IEnumerable<IEnumerable<T>> Permute<T>(this IEnumerable<T> sequence)
		{

johnboker

using System;
using System.IO;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Linq;

namespace AdventOfCodeDay9
{
	class MainClass
	{

johnboker

using System;
namespace adventofcodeday7_2
{
	class Program
	{
		const ushort ai = unchecked((ushort)(af & ah));
		const ushort ll = unchecked((ushort)(~lk));
		const ushort @is = unchecked((ushort)(hz >> 1));
		const ushort gp = unchecked((ushort)(~go));
		const ushort dv = unchecked((ushort)(du ^ dt));

johnboker

using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace AdventOfCodeDay8
{
	class Program
	{
		static void Main(string[] args)

johnboker

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

namespace AdventOfCodeDay7
{
	class Program

johnboker

using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Drawing;
using System.Drawing.Imaging;

namespace AdventOfCodeDay6
{

johnboker

using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;

namespace AdventOfCodeDay5
{
	class MainClass
	{
		public static void Main (string[] args)

johnboker

using System; 
using System.Security.Cryptography;
using System.Text; 

namespace AdventOfCodeDay4
{
	class Program
	{
		static void Main()
		{

johnboker

// part 1

var input = "<input here>";

var visited = new List<Point> { new Point(0, 0) };

var x = 0;
var y = 0;

foreach (var d in input)

johnboker

var paperNeeded = input.Select(a => new
{
	SurfaceArea = 2 * a.Item1 * a.Item2 + 2 * a.Item1 * a.Item3 + 2 * a.Item2 * a.Item3,
	Extra = Math.Min(Math.Min(a.Item1 * a.Item2, a.Item1 * a.Item3), a.Item2 * a.Item3)
}).Sum(b => b.SurfaceArea + b.Extra);

var ribbonNeeded = input.Select(a => new
{
	Permiter = Math.Min(Math.Min(2 * (a.Item1 + a.Item3), 2 * (a.Item2 + a.Item3)), 2 * (a.Item2 + a.Item1)),
	Extra = a.Item1 * a.Item2 * a.Item3