day8

Documentation

Index

• func Part1(network Network) int
• func Part2(network Network) int
• type Network
  • func LoadNetwork(filename string) (Network, error)

Functions

func Part1

func Part1(network Network) int

Part1 calculates the number of steps it takes to go from AAA to ZZZ in the network. Directions are repeated as many times as needed to traverse the network.

func Part2

func Part2(network Network) int

Part2 starts at every node ending in 'A' simultaneously, and returns the number of steps until all nodes end with Z.

Types

type Network

type Network struct {
	// contains filtered or unexported fields
}

Network consists of a list of directions and a graph of nodes.

func LoadNetwork

func LoadNetwork(filename string) (Network, error)

LoadNetwork loads a network from the given file. The first line of the file is a list of L and R instructions, and subsequent lines are nodes in the network.