day13

Documentation

Index

• Variables
• type Pattern
  • func (p Pattern) String() string
  • func (p Pattern) SummarizeReflection(expectedBitFlips int) (int, error)

Variables

var Day13 = runner.NewStreamingDay(13, parsePatterns, part1, part2).
	WithExpectedAnswers(37975, 32497)

Types

type Pattern

type Pattern struct {
	Rows []int32 // represents a row of the pattern
	Cols []int32 // represents a column of the pattern
}

func (Pattern) String

func (p Pattern) String() string

func (Pattern) SummarizeReflection

func (p Pattern) SummarizeReflection(expectedBitFlips int) (int, error)

SummarizeReflection returns the number of columns or rows before the reflection in the pattern. If there is no reflection, then -1 is returned.

If the reflection is a horizontal reflection, then the number of rows before the reflection is multiplied by 100