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Finish Code for Day 13

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Peter 7 years ago
parent 944fad0f02
commit d511a8cd65
2 changed files with 382 additions and 46 deletions
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150
Sources/AOC2018/data/day13.txt
Unescape Escape View File

@ -0,0 +1,150 @@
/----------------------\ /--------------------------\
| /+------------------------------------------------------------------------------+-------------\ |
| /--++--------------------------------------------------------\ | | |
| | /++--------------------------------------------------------+---------------------+-------\ | |
| /----------------+-+++--------\ /---------------------------------------------+---------------------+\ | | |
| | | ||| | | /+---------------------++------+-----+-----------\|
/----+-+-\ | ||| | | /----------------------------++---------------------++---\ | | ||
| | | |/-------------+-+++--------+-+---------------+--->------------------------++--\ /------------++---+--+-----+---------\ ||
| | | || /-------+-+++--------+-+---------------+----------------------------++--+-----+-----\ || | | | | ||
/+----+-+-++-----+-------+-+++--------+-+---------------+----------------------------++--+--\ | | || | | | | ||
|| |/+-++-----+-------+-+++--------+-+---------------+----------------------------++--+--+--+-----+-\ || | | | | ||
/-----++----+++\|| | | ||| | | | || | | | | | || | | /--+---------+-++----\
| || |||||| | | ||| | | /--+----------------------------++--+--+--+-----+-+----++---+--+--+--+------\ | || |
| || |||||| | | ||| | | /--------+\ | /---------------------++--+--+--+-----+-+----++---+--+--+--+------+--+-++---\|
| || ||||||/----+-------+-+++--------+-+---+--------++-+------+---------------------++--+--+--+-----+-+----++---+\ | | | | | || ||
| || |||||||/---+-------+-+++--------+-+---+--------++-+------+----------------\ || | | | | | || || | | | | | || ||
| || |||||||| | | ||| | | | || | | | || | | | | | /-++---++-+--+--+------+--+-++-\ ||
| /--++----++++++++---+-------+-+++--\ /-+-+---+--------++-+------+----------------+----++--+--+\ | | | | || || | | | | | || | ||
/+--+--++----++++++++---+-------+-+++--+---+-+-+---+--------++-+------+----------------+-\ || | || | | | | || || | | | | | || | ||
|| | || |||||||| | | ||| | | | | | || | | | | ||/-+--++-+-----+-+--+-++\ || | | | | | || | ||
|| | || |||||||| | | ||| | | | | | || | | /--------+-+--+++-+--++\| | | | ||| || | | | | | || | ||
|| | || |||||||| | | ||| | | | | | || | | | | | ||| | |||| | | | ||| || | | | | | || | ||
|| | || |||||^|| \-------+-+++--+---+-+-+---+--------++-+------+-------+--------+-+--+++-+--++++-----/ | | ||| || | | | | | || | ||
|| | \+-<--++++++++-----------+-+++--+---+-+-+---+--------++-+------+-------+--------+-+--+++-+--/||| | | ||| || | | | | | || | ||
|| | | |||||||| /----+-+++--+---+-+-+---+--------++-+----\ | | | | ||| | |||/------+--+-+++--++-+--+--+------+--+\|| | ||
|| | | |||||||| | | |||/-+---+-+-+---+--------++-+----+-+-------+--------+-+--+++-+---++++------+--+-+++--++-+--+--+------+-\|||| | ||
|| | | |||||||| | | |||| | /+-+-+---+--------++-+----+-+-------+--------+-+--+++-+---++++------+--+-+++--++-+--+--+--\ | ||||| | ||
|| | | |||||||| | | \+++-+--++-+-+---+--------++-+----+-+-------+--------+-+--+++-+---++++------+--+-+++--++-/ | | | | ||||| | ||
|| | | |||||||| | | ||| |/-++-+-+---+--------++-+----+\| | | | ||| | |||| | | ||| || | | | | ||||| | ||
|| |/--+----++++++++---->-+----+--+++-++-++-+-+---+--------++-+---\||| | | | ||| | |||| |/-+-+++--++----+--+\ | | ||||| | ||
|| || | |||||||| /+----+--+++-++-++-+-+---+--------++-+---++++-------+--------+-+--+++-+---++++------++-+-+++--++---\| || | | ||||| | ||
|| || | |||||||| || | /+++-++-++\| | | || ^ |||| | | | ||| | ||||/-----++-+-+++--++---++--++-+---+\||||| | ||
|| || |/---++++++++-----++----+-++++-++-++++-+---+--------++-+---++++-------+--------+-+--+++-+\/-+++++-----++-+-+++--++---++\ || | ||||||| | ||
|| || || |||||||| || | |||| || |||| | | || | |||| | | | ||| ||| ||||| || | ||| || ||| || | ||||||| | ||
|| || || |||||||| || | |||| || ||||/+---+--------++-+---++++-------+--------+-+\ ||| ||| ||||| || | ||| || ||| || | ||||||| | ||
|| || /++---++++++++-----++----+-++++-++-++++++---+--------++-+---++++-------+--------+-++-+++-+++-+++++\ || | ||| || ||| || | ||||||| | ||
|| || ||| |||||||| || |/++++-++-++++++---+--------++\| |||| | |/++-+++-+++-++++++--\ || | ||| || ||| || | ||||||| | ||
|| || ||| |||||||| || |||||| || |||||| | |||| |||| \--------++++-+++-+++-+/|||| | || | ||| || ||| || | ||||||| | ||
|\--++-+++---+++/|||| || |||||| || |||||| | |||| |||| /--------------++++-+++-+++-+-++++--+-++-+-+++--++---+++-++-+\ ||||||| | ||
| \+-+++---+++-++++-----++----++++++-/| |||||| | |||| |||| | |||| ||| ||| | |||| | || | ||| || ||| || || ||||||| | ||
| | ||| ||| |||| || |||||| /+-++++++---+--------++++---++++-+--------------++++-+++-+++-+-++++--+\|| | ||| || ||| || || ||||||| | ||
| | ||| |\+-++++-----++----++++++-++-++++++---+--------++++---++++-+--------------++++-+++-+++-+-++++--++/| | ||| || ||| || || ||||||| | ||
| | ||| | | |||| ||/---++++++-++-++++++---+--------++++---++++-+------------\ |||| ||| ||| | ||\+--++-+-+-+++--++---+++-++-++--+/||||| | ||
| | ||| | | |||| ||| |||||| || |||||| | /------++++---++++-+------------+-++++-+++-+++-+-++-+--++-+-+-+++--++--\||| || || | ||||| | ||
/+----+-+++---+\| |||| ||| |||||| || |||||| | | |||| |||| | | |||| ||| ||| | |\-+--++-+-+-+++--++--++++-++-++--+-++/|| | ||
|| | ||| ||| |||| ||| |||||| || |||||| \-+------+/|\---++++-+------------+-++++-+++-+++-+-+--+--++-+-+-+++--/| |||| || || | || || | ||
|| /-+-+++---+++-++++-\ ||| |||||| |\-++++++-----+------+-+----++/| | /----+-++++-+++-+++-+-+--+--++-+-+\||| | |||| || || | || || | ||
|| | | ||| ||| |||| | ||| |||||| | ||||\+-----+------+-+----++-+-+-------+----+-+++/ ||| ||| | |/-+--++-+-+++++--\| |||| || || | || || | ||
|| | | ||| ||| |||| | ||| |||||| | |||| | | | | || | | | | ||| ||| ||| | || | || | ||||| || |||| || || | || || | ||
|| |/+-+++---+++-++++-+---+++---++++++-+--++++-+-----+------+-+----++-+-+-------+---\| ||| ||\-+++-+-++-+--++-+-++++/ || |||| || || | || || | ||
|| ||| ||\---+++-++++-+---+++---++++++-+--++++-+-----+------+-+----++-+-+-------+---++-+++--++--+/| | \+-+--++-+-++++---++--++++-++-++--+-+/ || | ||
|| ||| ||/---+++-++++-+---+++---++++++-+--++++-+-----+------+-+----++-+-+-----<-+---++-+++--++-\| | | | | || | ||\+---++--++++-++-++--+-+--+/ | ||
|| ||| ||| ||| |||| | ||| |||||| | |||| | | | | || | | | || ||| ||/++-+-+--+-+--++-+-++-+---++\ |||| || || | | | | ||
|| ||| ||| \++-++++-+---+++---++++/| | ||||/+-<---+------+-+----++-+-+-------+---++-+++--+++++-+\| | | || | || | ||| |||| || || | | | | ||
|| ||| ||| || |||| | ||| |||| | | |||||| | | | /-++-+-+-------+---++-+++--+++++-+++--+-+-\|| | || | ||| |||| || || | | | | ||
|| ||| ||| || |||| | ||| |||| | | |||||| | | | | || | | | || |\+--+++++-+++--+-+-+/|/+-++-+---+++-++++-++-++--+-+\ | | ||
|| ||| ||| || |||| | ||| |||| | | |||||| | | | | || | | ^ || | | ||||| ||| | | | ||| || | ||| |||| || || | || | | ||
|| ||| ||| || |||| | ||| |||| | | |||||| /--+------+-+--+-++-+-+-------+---++-+-+--+++++-+++--+-+-+-+++-++-+---+++-++++-++-++\ | || | | ||
|| ||| ||| || |||| | ||| |||| | | |||||| | | | | | || | | \---++-+-+--+++++-+++--+-+-+-+++-+/ | ||| |||| || ||| | || | | ||
|\--+++-+++----++-++++-+---+++---++++-+-+--++++++--+--+------+-+--+-++-+-+-----------++-+-/ ||||| ||| | | | ||| | | ||| |||| || ||| | || | | ||
| ||| ||| || |||| | ||| |||| | | |||||| | /+------+\| | || | | || | ||||| ||| | | | ||| | | ||| |||| || ||| | || | | ||
| ||| ||| || |||| | ||| |||| | | |||||| | || ||| | || | |/----------++-+----+++++-+++--+-+-+-+++-+--+---+++-++++-++\||| | || | | ||
| ||\-+++----++-++++-+---+++---++++-+-+--++++++--+-++------+++--+-/| | || || | ||||| ||| | | | |||/+--+---+++-++++-++++++-+-++-+--+\||
|/--++--+++----++-++++-+\ ||| |||| | |/-++++++--+-++------+++--+--+-+-++----------++-+----+++++-+++--+-+-+-+++++--+---+++-++++<++++++-+-++-+\ ||||
|| || ||| /-++-++++-++--+++---++++-+-++-++++++--+-++------+++--+--+-+-++----------++-+----+++++-+++--+-+-+-+++++--+\ ||| |||| |||||| | || || ||||
|| || ||| | || ||||/++--+++---++++-+-++-++++++--+-++------+++--+--+-+-++----------++-+----+++++-+++--+-+-+\||||| || ||| |||| |||||| | || || ||||
||/-++--+++--+-++-+++++++--+++---++++-+\|| |||||\--+-++------+++--+--+-+-++----------++-+----+++++-+++--+-+-+++++++--/| ||| |||| |||||| | || || ||||
||| || ||| | || ||||||| ||| |||| |||| ||||| /-+-++------+++--+--+-+-++--------\ || | ||||| ||| | | ||||||| /+--+++-++++-++++++-+-++-++\||||
||| || ||| | || ||||||| ||| |||| |||| ||||| | | || ||| | | | || | || | ||||| ||| | | ||||||| || ||| |||| |||||| | || |||||||
||| || ||| | || ||||||| |\+---++++-++++-+++++-+-+-++------+++--+--/ | || /---+-++-+----+++++-+++--+-+-+++++++--++--+++-++++\|||||| | || |||||||
||| || ||| | || ||\++++--+-+---++++-++++-+++++-+-+-++------+++--+----+-++----+---+-++-+----+++++-+++--+-+-+++++++--++--+/| ||||||||||| | || |||||||
||| || ||| | || || |||| | | |||| |||| \++++-+-+-++------+++--+----+-++----+---+-++-+----+++++-+++--+-+-+++++++--++--+-+-++++++++/|| | || |||||||
||| || ||| | || || |v|| | | /++++-++++--++++-+-+-++------+++--+----+-++-\ | | || | ||||| ||| | | ||||||| || | | |||||||| || | || |||||||
||v || /+++--+-++-++-++++--+-+--+++++-++++--++++-+-+-++------+++--+----+-++-+--+---+-++-+----+++++-+++--+-+\||||||| || | | |||||||| || | || |||||||
||| || |||| | || || |||| | | ||||| |||| |||| | | || ||| |/---+-++-+-\| | || | ||||| ||| | ||||||||| || | | |||||||| || | || |||||||
||| || |||| | || || |||| | | ||||| |||| |||| | | || ||| || | || | ||/--+-++-+----+++++-+++--+-+++++++++\ || | | |||||||| || | || |||||||
||| || |||| | || || |||| | | |||\+-++++--+/|| | | || ||| || \-++-+-+++--+-++-+----+++++-+++--+-++++++++++-++--+-+-++++++++-++-+-++-+++++/|
||| || |||| | || || |||| | | ||| | |||| | || | | || ||| || || | ||| | || | ||||| ||| | |||||||||| \+--+-+-++++++++-++-+-++-++/|| |
||| || |||| \-++-++-++++--+-+--+++-+-++++--+-++-+-+-++------+++--++-----++-+-+++--+-++-+----+++++-+++--+-++++++++++--/ | | ||\+++++-++-+-++-++-++-/
||| || |||| || || |||| | | ||| | \+++--+-++-+-+-++------+++--++-----++-+-+++--+-++-+----+++++-+++--+-++++++++++-----+-+-++-+++++-++-+-/| || ||
||| || |||| ||/++-++++--+-+--+++-+--+++--+-++-+-+-++------+++--++-----++-+-+++--+-++-+----+++++-+++--+-++++++++++-----+-+\|| ||||| || | | || ||
||| || |||\----+++++-++++--+-+--+++-+--+++--+-++-+-+-++------+++--++-----++-+-+++--+-++-+----+++/| ||| | |||||||||| | |||| ||||| || | | || ||
||| || ||| ||||| |||| | | ||| | ||| | || | | || ||| || || | ||| | || | ||| | ||| \-++++++++++-----/ |||| ||||| || | | || ||
|\+-++-+++-----+++++-+++/ | | ||| | ||\--+-++-+-+-++------+++--++-----++-+-+++--+-++-+----+++-+-+++----++++++++++-------++++-+++++-++-+--+-+/ ||
| | || ||| ||||| ||| | | ||| | || | || | | || ||| || || | |||/-+-++-+----+++-+-+++----++++++++++-------++++-+++++-++-+\ | | ||
| | || ||| ||||| ||| /-+-+--+++-+--++\ | || | | || /----+++--++-----++-+-++++-+-++-+----+++-+-+++----++++++++++-------++++-+++++-++-++-+-+--++-\
| | || ||| ||||| ||| | | | ||| | ||| | || | | || | ||| || || | |||| | || | \++-+-+++----++++++++++-------++++-+++++-++-++-+-/ || |
| | || ||\-----+++/| ||| | | | ||| | ||| | || | | || | ||| || || | |||| | || | |\-+-+++----++++++++++-------/||| ||||| || || | || |
| | || || /---+++-+-+++-+-+-+--+++-+--+++--+-++-+-+-++-+----+++--++-----++-+-++++-+-++-+-----+--+-+++----++++++++++--\ ||| ||||| || || | || |
\-+-++-++--+---/|| | ||| | | | ||| | ||| | || | | || | ||| || || | |||| | || | | | \++----++++++++++--+-----+++-/|||| || || | || |
| || || | || | ||| | | | ||| | ||| | || | | || | ||| || || | |||| | || | | | || |||||||||| | ||| |||| || || | || |
| || || | \+-+-+++-+-+-+--+++-+--+++--+-/| | | || | ||| || || | |||| | || | | | ||/---++++++++++--+-----+++--++++-++-++-+\ || |
| || || /+-----+-+-+++-+-+-+--+++-+--+++--+--+-+-+-++-+----+++-\|| || | |||| | || | | | ||| |||||||||| | ||| ||^| || || || || |
| || || || | | ||| | | | ||| | ||| | | | | || | ||| ||| || | |||| | || | | | ||| |||||||||| | ||| |||| || || || || |
| || || || | | ||| | | | ||| | ||| | | | | || | ||| ||| || | ||||/+-++-+-----+--+-\||| |||||||||| | ||| |||| || || || || |
/-+-++-++-++-----+-+-+++-+-+-+--+++-+--+++--+--+-+-+-++\| ||| ||| || | |||\++-++-+-----+--+-++++---++++++++++--+-----+++--++++-++-+/ || || |
| | ||/++-++-----+-+-+++-+-+-+--+++-+--+++--+--+-+-+-++++----+++-+++\ || | ||| || || | | | |||| |||||||||| | ||| |||| || | || || |
| | ||||| || | | ||| | |/+--+++-+--+++--+--+-+-+-++++----+++-++++----++-+-+++-++-++-+-----+--+-++++---++++++++++--+-----+++-\|||| || | || || |
| | |||||/++-----+-+-+++\| ||| ||| \--+++--+--+-+-+-++++----+++-++++----++-+-+++-++-++-+-----+--+-++++---++++++++++--+-----+++-++/|| || | || || |
| | |||||||| | | ||||| ||| |\+----+++--+--+-+-+-++++----+++-++++----++-+-+++-++-++-+-----/ | |||| ||||||||\+--+-----+++-++-++-++-+--++---/| |
| | |||||||| | | ||||| ||| | | ||| | | | | |||| ||| |||| || | ||| || || | | |||| |||||||| | | ||| || || || | || | |
| | |||||||| | | ||||| ||| | | ||| | | | | |||| \++-++++--->++-+-+++-++-++-+--------+-++++---++++++++-+--+-----+++-++-++-++-/ || | |
| | |||||||| | | ||||| ||| | | /-+++--+--+-+-+-++++-----++-++++\ || | ||| || || | | |||| |||||||| | | ||| || || || || | |
| | |||||||| | | ||||| ||| | | | ||| | | | | |||| || ||||| || | ||| || || | | |||| |||||||| | | ||| || || || || | |
| | |||||||| | | ||||| ||| \-+--+-+++--+--+-+-+-++++-----++-+++++>--++-/ ||| || || | | |||| |||||||| | | ||| || || || || | |
| | |||||||| | | ||||| ||| /+--+-+++--+--+\| | |||| || ||||| || ||| || || | | |||\---++++++++-+--+-----+++-++-++-++----+/ | |
| \-++++++++-----+-+-+++++-+++---++--+-/|| | ||| | |||| || ||||| /++---+++-++-++-+--------+\||| |||||||| | | ||| || || || | | |
| |||||||| | | ||||| ||| || | || | \++-+-++++-----++-+++++--+++---+++-++-++-+--------+++/| |||||||| | | ||| || || || | | |
| ||||||\+-----+-+-+++++-+++---++--+--++--+---++-+-++++-----++-/|||| ||| ||| || ||/+--------+++-+----++++++++-+--+-----+++-++-++-++----+\ | |
| |||||| | | \-+++++-+++---++--+--++--+---++-+-++++-----++--++++--+++---+++-++-++++--------/|| | ||||||\+-+--+-----+++-++-/|/++----++\ | |
| |||||| | | ||||| ||| || | \+--+---++-+-++++-----++--++++--+++---+++-++-++++---------++-+----++++/| | | | ||| || |||| ||| | |
| |||||| | | ||||| ||| || | | | || | |||| || |||| |\+---+++-++-++++---------++-+----++++-+-+-+--+-----+++-++--++/| ||| | |
| |||||| | /+---+++++-+++---++--+---+--+---++-+-++++-----++--++++--+-+---+++-++-++++---------++-+----++++-+-+-+--+\ ||| || || | ||| | |
| |||||\-+----++---+++/| ||| || | | | || | |||| || |||| | | ||| || |||| || | |||| | | | || ||| || || | ||| | |
| ||||| | /-++---+++-+-+++---++--+---+--+---++-+-++++-----++--++++-\| \---+++-++-++++---------++-+----++++-+-+-+--++----+++-++--/| | ||| | |
| ||||| | | || ||| | ||\---++--+---+--+---++-+-++++-----++--++++-++-----+++-++-+/|| || | /-++++-+-+-+--++----+++-++---+-+----+++-\ | |
| ||||| | | || ||| | || \+--+---+--+---/| | |||| || |||| || ||| || | || || | | |||| | | | || /+++-++---+-+----+++-+-+\|
| ||||| | | || ||| | || | | | | | | |||| || |||| || ||| \+-+-++---------+/ | | |||| | | | || |||| || | | ||| | |||
| ||||| | | || ||| | |\-----+--+---+--+----+-+-++++-----++--++++-++-----+++--+-+-++---------+--+--+-++++-+-+-+--++---++++-/| | | ||| | |||
| ||||| | | || ||| | \------+--+---+--+----+-+-++++-----++--++++-++-----+++--+-+-++---------+--+--+-++++-+-+-+--++---+++/ | | | ||| | |||
| ||||| | | || \++-+--------+--+---+--+----+-+-++++-----++--++++-++-----+++--+-+-+/ | | | |||| |/+-+--++---+++---+--\| | ||| | |||
\---+++++--+--+-++----++-+--------+--+---+--+----+-+-++/| || |||| || ||| | | | | | | |||| ||| | || ||| | || | ||| | |||
||||| | | || || \--------+--+---/ | | | || | || |||| || ||| | | \----------+--+--+-++++-+++-+--++---+++---+--++-+----+/| | |||
||||| | | || /--++----------+--+--\ | | \-++-+-----++--++++-++-----+++--+-+------------+--+--+-++++-+++-+--++---+++---+--++-/ | | | |||
||||| | | || | || | | | \----+---++-+-----++--++++-++-----+++--+-+------------+--/ | |||| ||| | || ||| | || | | | |||
||||| | | || | || | | | | |\-+-----++--++++-++-----+++--+-+------------+-----+-++++-+++-+--++---++/ | || | | | |||
||||| \--+-++-+--++----------+--+--+--------+---+--+-----++--++++-++-----+++--+-+------------+-----+-++++-+++-+--/| || | || | | | |||
|\+++-----+-++-+--++----------+--+--+--------+---+--+-----++--++++-++-----+++--+-/ | | |||| ||| | | || | || | | | |||
| ||| /--+-++-+--++----------+--+--+--------+---+--+-----++--++++-++-----+++\ | | | |||| ||| | | || | || | | | |||
| ||| | | || | || | | | | | \-----++--++++-++-----++++-+--------------+-----+-++++-+++-+---+---++----+--++------+-+-+-++/
| ||| | | || |/-++----------+--+--+--------+---+----\ || |||| || |||| | | | |||| ||| | | || v || | | | ||
| ||| | | || || || | | | \---+----+---++--++++-++-----++++-/ | | |||| ||| | | || | || | | | ||
/--+-+++--+-\| || || || | | | | | || |||| || |||| | | |||| ||| | | || | || | | | ||
| | ||| | || || \+-++----------+->+--/ | | || |\++-++-----/||| | | |||| ||| | | || | || | | | ||
| | ||| | || || | || | | | | || | || || ||| /+-----+-++++-+++-+---+---++----+--++------+-+-+-++\
| | ||\--+-++-++--+-++--->------+--+---------------+----+---++--+-++-++------+++---------------++-----+-/||| ||| | | || | || | | | |||
| | || | || || | || \--+---------------+----+---+/ | || || ||| || | ||| |\+-+---+---++----+--/| | | | |||
| | || | || || | \+-------------+---------------+----+---+---+-++-++------+++---------------++-----+--++/ | | | | || | | | | | |||
| | || | |\-++--+--+-------------+---------------+----+---+---+-++-/| |\+---------------++-----+--++--+-+-/ | || | \------+-/ | |||
| | || | | || | | | | | | | || \------+-+---------------+/ | || | | | || | | | |||
| \-++---+-+--++--+--/ \---------------+----+---+---+-+/ | | | \--++--+-+-----+---++----+----------+---/ |||
| |\---+-+--++--+--------------------------------+----+---+---+-+----------+-+---------------+---------/| | \-----+---++----+----------+-----/||
\----+----+-/ || | \----+---/ | | | | | | | | || | | ||
| | || | | \-+----------+-+---------------+----------/ | | || | | ||
| | \+--+-------------------------------------+---------+----------+-+---------------+-------------+-------/ \+----+----------+------/|
| | \--+-------------------------------------+---------+----------+-+---------------+-------------+------------/ | | |
| \--------+-------------------------------------+---------+----------+-/ | | | | |
| \-------------------------------------/ | \-----------------+-------------+-----------------/ | |
| | | \----------------------------/ |
\-------------------------------------------------------------/ \--------------------------------------------------/

278
Sources/AOC2018/day13.swift
Unescape Escape View File

@ -21,6 +21,7 @@ struct Cart: Equatable, Comparable {
var loc = GridPoint(X: 0, Y: 0)
var dir = Direction.up
var intersection = Sequence.left
var removed = false
var dirValue: (Int, Int) {
get {
switch dir {
@ -39,12 +40,10 @@ struct Cart: Equatable, Comparable {
mutating func changeDirection(with map: Character) {
func rotateRight() { dir = Direction(rawValue: dir.rawValue + 1) ?? Direction.up }
func rotateLeft() { dir = Direction(rawValue: dir.rawValue - 1) ?? Direction.up }
func rotateLeft() { dir = Direction(rawValue: dir.rawValue - 1) ?? Direction.left }
func increaseSequence() { intersection = Sequence(rawValue: intersection.rawValue + 1) ?? Sequence.left }
// No change
if map == "-" || map == "|" { return }
// Execute intersection sequence
if map == "+" {
switch intersection {
case .left : rotateLeft()
@ -54,7 +53,6 @@ struct Cart: Equatable, Comparable {
increaseSequence()
return
}
// Turn to follow curve
switch dir {
case .up, .down :
if map == "/" { rotateRight() }
@ -86,21 +84,142 @@ struct Cart: Equatable, Comparable {
// 1. '<' or '>' => '-'
// 2. '^' or 'v' => '|'
class Madness {
var track: [[Character]] = []
var width = 0
var height = 0
var carts: [Cart] = []
// Supply filename for input ex: '/home/peterr/AOC2018/Sources/AOC2018/data/day13.txt'
init(withFile filename: String) {
let trackFile = Tools.readFile(fromPath: filename)
var trackStrings = trackFile.components(separatedBy: "\n")
// This gurd statement is just an excuse to use guard
// I'm assuming the last string is an empty string, if not DON'T remove the last string
guard let lastStr = trackStrings.last, lastStr.count == 0 else { return }
trackStrings.removeLast() // empty string
parseData(withStars: trackStrings)
}
// Supply test data in the form of a String
init(withString trackFile: String) {
let trackStrings = trackFile.components(separatedBy: "\n")
parseData(withStars: trackStrings)
}
func parseData(withStars trackArray: [String]) {
guard trackArray.count > 0 else { print("Error Parsing"); return }
width = trackArray[0].count
height = trackArray.count
for line in trackArray {
track.append(Array(line))
}
func newCart(at loc: (Int, Int), with direction: Direction) {
carts.append(Cart(loc: GridPoint(X: loc.0, Y: loc.1), dir: direction, intersection: Sequence.left, removed: false))
switch direction {
case .up, .down : track[loc.1][loc.0] = "|"
case .left, .right: track[loc.1][loc.0] = "-"
}
}
for j in 0..<height {
for i in 0..<width {
switch track[j][i] {
case "^": newCart(at: (i, j), with: Direction.up)
case "v": newCart(at: (i, j), with: Direction.down)
case "<": newCart(at: (i, j), with: Direction.left)
case ">": newCart(at: (i, j), with: Direction.right)
default: break
}
}
}
}
func getTrack(at loc: GridPoint) -> Character {
guard loc.X >= 0 && loc.Y >= 0 && loc.X < width && loc.Y < height else { print("getTrack out of range"); return "#" }
return track[loc.Y][loc.X]
}
func collision(removeCrash: Bool) -> GridPoint? {
var retVal: GridPoint? = nil
var dupTest: [GridPoint : Int] = [:]
for index in 0..<carts.count {
if !carts[index].removed {
if dupTest[carts[index].loc] != nil {
if removeCrash {
carts[index].removed = true
carts[dupTest[carts[index].loc]!].removed = true
} else {
return carts[index].loc
}
} else {
dupTest[carts[index].loc] = index
}
}
}
let notRemoved = carts.filter { $0.removed == false }
if notRemoved.count == 1 {
retVal = notRemoved[0].loc
}
return retVal
}
// Start of Tick:
// 1. order carts by location
// 2. move cart one step in it's direction
// 3. Look to see where we landed
// a. other cart => CRASH
// b. '-' or '|' is a straight track => do nothing
// c. '\' => rotate right
// d. '/' => rotate left
// e. '+' => [Left, Straight, Right] sequense for this cart
func tick(andRemove remove: Bool) -> GridPoint? {
var collided: GridPoint? = nil
carts.sort()
for index in 0..<carts.count {
if !carts[index].removed {
carts[index].move()
collided = collision(removeCrash: remove)
if collided != nil && !remove {
break
}
let track = getTrack(at: carts[index].loc)
carts[index].changeDirection(with: track)
}
}
return collided
}
}
class Day13: AOCDay {
lazy var tests: (() -> ()) = day13Tests
lazy var final: (() -> ()) = day13Final
let testData =
"/->-\\ \n" +
"| | /----\\\n" +
"| /-+--+-\\ |\n" +
"| | | | v |\n" +
"\\-+-/ \\-+--/\n" +
" \\------/ "
let testData2 =
"/>-<\\ \n" +
"| | \n" +
"| /<+-\\\n" +
"| | | v\n" +
"\\>+</ |\n" +
" | ^\n" +
" \\<->/"
func testCartMove() {
var car = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left)
var car = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left, removed: false)
car.move()
XCTAssertEqual(test: "testCartMove", withExpression: (car.loc.X == 10 && car.loc.Y == 9))
}
func testCartChangeDirection() {
var car = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left)
var car = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left, removed: false)
car.move()
car.changeDirection(with: "-")
car.move()
@ -128,67 +247,134 @@ class Day13: AOCDay {
func testCartSort() {
var cars: [Cart] = []
cars.append(Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left))
cars.append(Cart(loc: GridPoint(X: 5, Y:22), dir: Direction.up, intersection: Sequence.left))
cars.append(Cart(loc: GridPoint(X: 22, Y:5), dir: Direction.up, intersection: Sequence.left))
cars.append(Cart(loc: GridPoint(X: 2, Y:10), dir: Direction.up, intersection: Sequence.left))
// for car in cars { print("\(car)")}
cars.append(Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left, removed: false))
cars.append(Cart(loc: GridPoint(X: 5, Y:22), dir: Direction.up, intersection: Sequence.left, removed: false))
cars.append(Cart(loc: GridPoint(X: 22, Y:5), dir: Direction.up, intersection: Sequence.left, removed: false))
cars.append(Cart(loc: GridPoint(X: 2, Y:10), dir: Direction.up, intersection: Sequence.left, removed: false))
cars.sort()
// print("")
// for car in cars { print("\(car)")}
let lastCar = cars.last!
XCTAssertEqual(test: "testCartSort last", withExpression: (lastCar.loc.X == 5 && lastCar.loc.Y == 22))
}
func testCartEquatable() {
var car1 = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left)
var car1 = Cart(loc: GridPoint(X: 10, Y:10), dir: Direction.up, intersection: Sequence.left, removed: false)
car1.move()
car1.changeDirection(with: "-")
car1.move()
// XCTAssertEqual(test: "testCartChangeDirection '-'", withExpression: (car1.loc.X == 10 && car1.loc.Y == 8))
let car2 = Cart(loc: GridPoint(X: 10, Y:8), dir: Direction.up, intersection: Sequence.left)
let car2 = Cart(loc: GridPoint(X: 10, Y:8), dir: Direction.up, intersection: Sequence.left, removed: false)
XCTAssertEqual(test: "testCartEquatable", withExpression: (car1 == car2))
}
func day13Tests() {
testCartMove()
testCartChangeDirection()
testCartSort()
testCartEquatable()
func testMadnessInit() {
let mad = Madness(withString: testData)
printTrack(with: mad)
XCTAssertEqual(test: "testMadnessInit string", withExpression: (mad.width == 13 && mad.height == 6))
if mad.carts.count != 2 {
XCTAssertEqual(test: "testMadnessInit carts count", withExpression: (false))
} else {
XCTAssertEqual(test: "testMadnessInit carts count", withExpression: (mad.carts.count == 2))
XCTAssertEqual(test: "testMadnessInit cart X", withExpression: (mad.carts[0].loc.X == 2))
XCTAssertEqual(test: "testMadnessInit cart Y", withExpression: (mad.carts[0].loc.Y == 0))
XCTAssertEqual(test: "testMadnessInit cart direction", withExpression: (mad.carts[0].dir == Direction.right))
}
func day13Final() {
let retVal = "None"
print("Answer to part 1 is: \(retVal)")
print("Answer to part 2 is: \(retVal)")
}
}
// Start of Tick:
// 1. order carts by location
// 2. move cart one step in it's direction
// 3. Look to see where we landed
// a. other cart => CRASH
// b. '-' or '|' is a straight track => do nothing
// c. '\' => rotate right
// d. '/' => rotate left
// e. '+' => [Left, Straight, Right] sequense for this cart
func testGetTrack() {
let mad = Madness(withString: testData)
var result = mad.getTrack(at: GridPoint(X: 4, Y: 2))
XCTAssertEqual(test: "testGetTrack (5, 3)", withExpression: (result == "+"))
result = mad.getTrack(at: GridPoint(X: 2, Y: 0))
XCTAssertEqual(test: "testGetTrack (3, 1) convert cart to track", withExpression: (result == "-"))
}
func testCollision() {
let mad = Madness(withString: testData)
mad.carts[1].loc = mad.carts[0].loc
XCTAssertEqual(test: "testCollision", withExpression: (mad.collision(removeCrash: false) != nil))
}
func testTick() {
let mad = Madness(withString: testData)
let oldcart = mad.carts[0]
let collided = mad.tick(andRemove: false)
let newcart = mad.carts[0]
XCTAssertEqual(test: "testTick", withExpression: (oldcart != newcart))
XCTAssertEqual(test: "testTick", withExpression: (collided == nil))
}
func printTrack(with mad: Madness) {
func cartLoc(at loc: GridPoint) -> (Bool, Character) {
var retVal: (Bool, Character) = (false, " ")
for cart in mad.carts {
if cart.loc == loc && !cart.removed{
switch cart.dir {
case .up : retVal = (true, "^")
case .down : retVal = (true, "v")
case .left : retVal = (true, "<")
case .right: retVal = (true, ">")
}
}
}
return retVal
}
for j in 0..<mad.height {
for i in 0..<mad.width {
let cartIcon = cartLoc(at: GridPoint(X: i, Y: j))
if cartIcon.0 {
print("\(cartIcon.1)", terminator: " ")
} else {
print("\(mad.getTrack(at: GridPoint(X: i, Y: j)))", terminator: " ")
}
}
print("")
}
print("")
}
func testRun() {
var mad = Madness(withString: testData)
printTrack(with: mad)
var crash: GridPoint?
repeat {
crash = mad.tick(andRemove: false)
} while crash == nil
// print("Collision location Part1: (\(crash!))")
XCTAssertEqual(test: "testRun Part 1", withExpression: (crash! == GridPoint(X: 7, Y: 3)))
mad = Madness(withString: testData2)
printTrack(with: mad)
repeat {
crash = mad.tick(andRemove: true)
} while crash == nil
// print("Last Cart location Part2: (\(crash!))")
XCTAssertEqual(test: "testRun Part 2", withExpression: (crash! == GridPoint(X: 6, Y: 4)))
}
func day13Tests() {
testCartMove()
testCartChangeDirection()
testCartSort()
testCartEquatable()
testMadnessInit()
testGetTrack()
testCollision()
testTick()
testRun()
}
// We'll need to figure out the size of the grid
// - scan and find the number of carts and their locations and direction
// - convert the carts to "track"
// - At intersections, each cart executes their own "sequense"
// - Left, Straight, Right, repeat
// - move carts in order of Top, Left to Bottom, Right
// - order carts by (x,y) position, then execute moves
// Watch for first crash and report crash location
func day13Final() {
var mad = Madness(withFile: "/home/peterr/AOC2018/Sources/AOC2018/data/day13.txt")
var crash: GridPoint?
repeat {
crash = mad.tick(andRemove: false)
} while crash == nil
print("Answer to part 1 is: \(crash!)")
mad = Madness(withFile: "/home/peterr/AOC2018/Sources/AOC2018/data/day13.txt")
repeat {
crash = mad.tick(andRemove: true)
} while crash == nil
print("Answer to part 2 is: \(crash!)")
}
}

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