exercises

Documentation

Index

• func Abs(i int) int
• func PrintState(tailLocation []Point)
• type Exercise
  • func (c Exercise) One(instr string) (any, error)
  • func (c Exercise) Two(instr string) (any, error)
• type Point
  • func CalculateMovement(h, t Point) Point

Functions

func Abs

func Abs(i int) int

Abs returns the absolute value of an int.

func PrintState

func PrintState(tailLocation []Point)

PrintState prints the state of the grid.

Types

type Exercise

type Exercise struct {
	common.BaseExercise
}

Exercise for Advent of Code 2022 day 9

func (Exercise) One

func (c Exercise) One(instr string) (any, error)

One returns the answer to the first part of the exercise. answer: 6266

func (Exercise) Two

func (c Exercise) Two(instr string) (any, error)

Two returns the answer to the second part of the exercise. answer: 2369

type Point

type Point struct {
	X, Y int
}

Point is an x/y tuple of ints.

func CalculateMovement

func CalculateMovement(h, t Point) Point

CalculateMovement returns the movement of tail to follow the head. No movement is returned if the tail is within 1 of the head.