From 9ce100f7a4177cd06bbb136a4d26db1ba58f4552 Mon Sep 17 00:00:00 2001
From: Emile <git@emile.space>
Date: Tue, 3 Dec 2024 21:01:33 +0100
Subject: 2024 day three

part 1: converting all the given mul() values to their infix notation
and summing up the list

part 2: removing everything between the don't() and do() as well as
between don't() and the end of the line, the reset is the same as in
the first part
---
 2024/d03.example_input |  2 ++
 2024/d03.input         |  6 ++++++
 2024/d03.lisp          | 37 +++++++++++++++++++++++++++++++++++++
 advent.asd             |  2 +-
 4 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 2024/d03.example_input
 create mode 100644 2024/d03.input
 create mode 100644 2024/d03.lisp

diff --git a/2024/d03.example_input b/2024/d03.example_input
new file mode 100644
index 0000000..6a7899d
--- /dev/null
+++ b/2024/d03.example_input
@@ -0,0 +1,2 @@
+xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
+
diff --git a/2024/d03.input b/2024/d03.input
new file mode 100644
index 0000000..b90eb9c
--- /dev/null
+++ b/2024/d03.input
@@ -0,0 +1,6 @@
+}why()'//mul(118,270)who(768,873)'mul(303,230)'{how()when()<@,}mul(512,183),']why()(who()&<when()~don't()who()~)-why(899,149)how()mul(931,445)how(852,127)from()why()<mul(142,121)>$(((]*mul(901,328),what()@<^])-mul(933,154)mul(560,337)$mul(173,233):why()when()*!+@?/how()mul(372,472){/how()-'){mul(851,778)who(667,458)^+]-/where()from()#why(593,555)mul(815,971)mul(358,457)?mul(69,599)^-)/!mul(464,350)why()who()what()where();mul(110,980);who()][how()~^who()^mul(288,178):%(@&,mul(30,469)*select(308,586)why(15,330)~@mul(446,558){{'why()?select()%~'$mul(845,144)#}}%-@;),#mul(111,87); <#mul(645,89)  ~+mul(185,720)why()what()(&how()<'why()[select()do()!^'({!'>#[mul(112,567)*mul(554,555)-why()@<@from(983,810){$->mul(701,70)mul(850,508)where()[-@(how())'how(259,50)mul(600,526)select()}how()%?mul(374,167)who()@>where()(&/-(mul(908,717)/from()do(){:&(mul(438,764) ;how(){]]mul(755,362)how()when():~$mul(594,595)select()?{%#]mul(299,480)(],mul(310,106))(when()/#+&where()^mul(417,560)?,-,mul(974,911)^)(^where()@&$:{mul(363,316)where()how()>> (&do()-:-what()]}mul(791,291)(where()>where()mul(510,827)@mul(676,96)^what(677,473),@>~what()!(mul(307,685)from()!mul(503,867)who():$, &;mul(615,600)select()<+mul(337,796)from()who()/+mul(810,119)'/;'>[+from()mul(803,4)$mul(840,8);%from()( $#<don't(){what(828,13) <how()mul(500,999)why()@how()! what()}!when()mul(561,836)what()^mul(420,642)who()why(850,680)!+:>mul(451,85)[</where()@ )~mul(45,238)'how();#$mul(570,455)from()+why()#why(274,863))mul(442,521){when()%from()!%mul(322,173)why()#mul(860,593)+?/@mul(598,396)what()&%mul(596,862)'/<when()@! /[&mul(272,461)who(542,616)-who(179,673)+mul(94,5)?when()what();^mul(503,59)when(614,644)}!why()>what()/mul(581,231)^(mul(388,767)# <}:(>#$mul(712,740)select()what()*'mul(991,610)from()&<select()mul(232,36)$&[^]}/mul(735,524)how(131,882)!*mul(604,108)(%#mul(489,33)who()}~?where()-!@mul(893,647)why()+why(36,296)#-*[mul(912,884)'%'don't();from()who()mul(308,232)~,;%,;,mul(724,943)]where()who()from()why()mul(22,272from()when()*&?$where()*mul(501,512)select()^where()]-'-*{[mul(406,285) from()mul(367,130how()%don't()when()[$select():>who()mul(350,378)?when()%@%mul(548,504)what()?from()select()when() select()(@<mul(982,920);why()mul(573,447)] mul(98,922)*+}mul(275,119)?why()~?why())who()!mul(451,680)#+>mul:select()where(673,310)@]~##;+~mul(709,342)%/'select())</}mul(377,711)/}%mul(290,269)]/mul(701,399)@*;who()}mul(456,787)><,-!how(998,965)mul(115,998)&$who()]^+mul(816}'mul(861,544)*mul(712,683)*where()*mul+who() mul(507,89)when(),where()why()}mul(142,592why()don't()what()select()]?~why()from()#mul(495,289)]don't()when()(how()select()*mul(965,272)#?]$who();*[where()}mul(40,185what()/{[%'-+mul(232,472)$,-;why()@;~%:mul(868,459)when()[!/mul(498,100)where() ]don't()>!why()+}}@mul(352,210)]where()]mul(871,480){;@where(570,531)>^>@why()mul(918how()[how()from()>-when()how():$do()from()when(686,735)what()mul(29,449))%,){from()<^mul(347,529)select()#@^'!mul(918,57)mul(452,298)who()<@@%mul(262,346)}mul}'[why()where(232,142)where()%@mul(315,783)select()why()+! '+mul(752,60)$,where()?from(562,430)from()+what();select()mul(613,622)>%(%?{/$,mul(324,777)@mul(822,618)$?!^+what()]*@mul(82,101)from():don't();'mul(401,508)%]:{do()+mul(684,164)&mul(842,202)?mul(537,560):]/#where())mul(252,281)mul(947,848),?-,why()]why()-</mul(363,88)mul(375<##from()mul(455,83)mul(215,347)who()when()~how()mul(78%}:*when(223,415)[<when()#'mul(543,634)& >(&-when(825,688)?!mul(135,114):<where(417,968)from()}mul(786,841)when()%mul(596,110%?)!!mul(468,883)
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++!]'who(){^!mul(96,937)(*mul>:[>mul(669,292)!select()mul(554,803)!select()/mul(694,221):[;{when()!)$@select()mul(622,609)$'{'mul] ^/why()mul(688,97)mul(189,206)@)&from()$where()mul(649,932)mul(572,58)#',from(759,777)what()@+mul(790,678)!&+;*@~mul(958,28)select()mul(903,261)'])where()<mul(735,94){when()mul(910,967)mul(464,851)when()>-where(),why()^+mul(797,429)(?mul(570/{~<:how(193,280)*mul(759,564)how()[^/>:)+mul(55,759)!} mul(329,715)-how() @mul(877,69)~mul(798,424)>:~,mul#'<$[?do()?$*mul(823,208)?#what();what()(%mul(93,613)*from()mul(969,827)when(478,829)?[+what()mul(405,736);how()>/{where(){?mul(821,18)select()when()>/,;where()mul(657,233)who()^when()$,:?<<mul(243,18))-&do()* mul(59,375)<<)*/[)&mul(606,23)*?&mul(51,14)select()mul(891,631) ~who()select()mul(661,554)[?${/when()mul(878,181)?[!~don't()@where(519,65)};;how()>&))mul(582,114)+>#~mul(363^who()--where()?{&@?[mul(698,381)'[%]]do()?mul(238,833)what()<^)]]from()from()mul(145,475)who()who();from()select()+&~<mul(590,804)'from() }^{from()mul(303,895)from()mul(39,500)#mul(839,282/who()who()mul(617,661)~,what()@(*+what()mul(988,243)(+~'^;mul(170,538)%@ mul(540,109){>!'!<how()from()+*mul(852,90){{#^how()what()&mul#mul(921,514)['[!$) from()do() ~why(922,616)why()),<mul(993,138)do()){%$(/mul(366,325):((how()select()]%(mul(950,17)[when()<#)<-why()mul(392,755);+{mul(558,902)$where()mul(336,636)mul(757,150)%-select()[&mul(870,59)$^[mul(174,941)why(80,694)%% &:what()-;mul(706,644)how()[mul(806,125):/^from()how(489,501)]&^mul(321,975)how()^>why()')!> mul(194,70}when()}){mul(517,10)'mul(897,836)%mul(572,256)[[from() )mul(688,459)>,>mul(13,272)+{#what()when()why()mul(380,848)from()$mul(921,435)select()(where()~mul(963,945))<(&who()(mul(484,80)why(804,328)what(812,38)~[[who(811,912)(mul(934,750)[%!how():&where(159,568);^mul[from()mul(63,914))/*mul(248,994)from()[why()^< why())^where()mul(704,912)?why()@!&+<mul(259,742)?*who(),/%,@@mul(163,139)&;*/'what()>&how()+mul(469,877)}*mul(408,450)!why()>+who()&% when(879,735)mul(248%when()~ mul(725,626)mul(109,867)^select(88,196))why()@who()~@(do(),#+!-%mul(948,363)what()@~?when()^/^how()mul(443,194)*why()[//where()don't()&/ mul(948,265)%)mul(4,412)}{where()%from()!from()(mul(722,734){!{:]how()mul(77,761&} mul(297,848)+what(382,752)from()mul(537,328)mul(607,330),#select()?-)why() mul(82,487)](select()mul(890,820){!^;select()(#-<select()mul(555,82):$mul(477 +<!~:+mul(807,841)when()mul(556,862why()&;+< ^mul(82,122),;>}mul(346,437$}&<where()@/mul(817,984)&%when(400,823)~;;mul(692,577) $*'$select()!what()mul@^ /']}%?who()do()>what())>~&:*mul(314,654)why(679,488)#where();[mul(177,941)'#where()mul(233,253) how())why()~mul(60,594)*']-)mul(273,795)  +&*%do()#,-/>who()mul(667,162)}}mul(208,65)-^mul(144,350)~:what()mul(809,995)what()^>*^what()?/+mul(308,313)[~~'$don't()from()what()?what(){:,mul(739,608)#what()^*[mul(270,501)-who()from(383,34){-!how()where()mul(135,362)#^[what()from(269,68)-$}/mul(607,132)/+when();-;,mul(738,772)*what()mul%*#!why(433,88);(^]what()mul(795,132),-/<-!*:#why()mul(133,881)mul(388,587)what()}from()^why()~ 'where()@mul(735,387)mul(533,521)$,)?mul(63,763)(+how()<who()~how()from(116,46)don't()-why()*mul(132,290):&why()${-{mul(258,931))#),how()do()^select()+)mul(288,484)>what()from()(where()from()from()do(){~@: &who()why()mul(878,368)^&)$)#< mul(514,971)who()} /:*'';mul(731,555)where()mul(827,838)from()when(285,231)?&<what())how()*don't()/{:/%from() @;mul(997,524)$from()why()>how()-(how()]mul(992,713)
+?from()%#mulwhen()mul(998,507)what()why()mul(975,828)<from()&/~*'<}mul@-)<mul(257,31)*+why()'%;mul(550)+$-why(359,100)>mul(472,279)#(mul(13,39)-do(),<mul(580,777),what()how()!~<where()/mul(65,157){}? ^why()where()select(833,79)don't()how()#[from()>%mul(301,284)~why()>/mul(406,207)&]mul(685,749)who()[&what()#mul(958,213)mul(575,764)from()&mul(15,551)mul(220,215)-%mul(443,289)]from()when()^!?@select()select()%mul(812,779) %~$mul(383,994)?(-why()/<^where()&why()mul(33,693)where()mul(471,326)<#>@,))what()don't()~<why()#$;$mul(326,462)$&when()how()-how()mul(567,947)how()who(),(who()^from(878,854)##when()mul(248,461)+^mul(412,666)[/:]>@from()mul(815,918)/select()%]select()]'~mul(681,852)mul(994,337)&mul(196,606)where(403,862)*<select()[<!mulhow()who()mul(392,229)+&@})what()when(249,588)mul(188,914)from()when()how()how()where()from()![mul(915,994when()({mul(235,250)++-mul(849%<mul(912,627)+('&}?/,mul(506,682)[( mul(818,719)what() %/&:mul(639,725)mul(274,586)%(( /mul(577,49)what()@ >]how()mul(698,788)when(642,540)-[-mul(7,705)where()when()}+mul(972,889)<<'}mul(510,565)select()+&,where()%-%mul(561,688))? mul(411,213)'where()&(^%!'(]don't()}{when(908,767)(who()(mul(434,326)*]$-;from()mul(115,32)how()#;who()+/where(){mul(280,916)'[&(<when()select(),]don't(){;where():from(){who(),&:mul(853,731)>#-who()'select()&mul(220,39))$)select()]('what()why()#mul(589,283)>#&mul(391,205), ]how()&}mul(569,87)who()mul(829,774)~<{from()don't()@mul(116,737)'<>why(235,898)(:select()~]<mul(305,296)mul(381,275)mul(847,881)+where()how()&<<mul(866,451)->>who()%{#$'do()mul(30,865)where()<[where()^'mul(227,579)^when()what()mul(675,333)^*why()/~>mul(17,908)$who()select() %*{/@]mul(496,909);]when()mul(178,692)(who()why()mul(660,702)$>;+when()do()#?*mul(683,836))when()when()when()'<where(577,867)#)mul(56,939)#(,mul(925,669)!from()from()where()when()from(),#mul(877,381)what()@{/who()how()why()mul(288,707)}]mul(303,66){why()~mul(443,822)}mul(954,537):/mul(673,867) $!(from()&%select()what()do()-]-mul(739,905)#@mul(457,232)-,,>)mul(52,757){<*^^who()who(787,663)why()?+mul(249,441)mul(129,93)'+mul(569,485) ^}what()mul(622,61)mul(508,94)/$mul(476,431)^{where() }>mul(46,9)when()from(),mul(771,512)>from()why():}{mul(559,664)[@who(252,904)^what()#mul(178,652)%mul(397,89))+where()mul(989,460)(-mul(369,648)don't(),when()what(332,922)/select()mul(681,823)@how()?#what()!&&:mul(705,445)^*:*select()&%'select(630,493)?mul(335,592)from()<mul(660,877)@mul(529,994)mul(771,634)*don't()>*<where()?,}]mul(905,574)+:#mul(977,512)#when() *[+?+mul(16,599)!do()mul(552,618)]where()]'+{:mul(41,922)+~~?what()select()mul(720,403)~when()^<*@select(){mul(68,463)mul(918,550)~where()<[;who(363,923);]%,mul(291,362)why()when()}mul(497,836)mul(933,512)]how()&select()/mul(532,291)'~# when(572,205)[/%mul(843,251),^}'!/]$why()how()mul(634,789)who()where()mul(683,744)select()~,from()>]who()*mul(665,296)'@)^^:(!]why()mul(813,344)*mul(988,514)'how()@,,+:mul(412,278)do()}#;mul(679,583)*mul(241,420)#;-!$;%do()!mul(218,333)(^,>who()]:where()how()/mul(927,82)^#>$select()[^^mul(803,223)-^where()~select(956,23)~
diff --git a/2024/d03.lisp b/2024/d03.lisp
new file mode 100644
index 0000000..c194f97
--- /dev/null
+++ b/2024/d03.lisp
@@ -0,0 +1,37 @@
+(in-package :aoc/2024)
+
+(defparameter *input/d3*
+  (asdf:system-relative-pathname :advent "2024/d03.input"))
+
+(print *input/d3*)
+
+(defun readfile (filename)
+  (let ((lines '()))
+    (with-open-file (stream filename :direction :input)
+      (loop for line = (read-line stream nil nil)
+            while line
+            do (push line lines)))
+    (nreverse lines)))
+
+(defun replace-with-prefix-expr (match)
+  (ppcre:regex-replace "mul\\(([0-9]+),([0-9]+)\\)" match "(* \\1 \\2)"))
+  
+(print
+  (apply '+
+    (mapcar 'eval
+       (mapcar #'read-from-string
+          (mapcar #'replace-with-prefix-expr
+             (ppcre:all-matches-as-strings "mul\\(([0-9]+),([0-9]+)\\)"
+               (format nil "~{~a~}" (readfile *input/d3*))))))))
+; 1795571322
+
+(print
+  (apply '+
+    (mapcar 'eval
+       (mapcar #'read-from-string
+          (mapcar #'replace-with-prefix-expr
+             (ppcre:all-matches-as-strings "mul\\(([0-9]+),([0-9]+)\\)"
+                (ppcre:regex-replace-all "don't\\(\\).*?(do\\(\\)|$)"
+                                         (format nil "~{~a~}" (readfile *input/d3*))
+                                         "")))))))
+; 103811193
diff --git a/advent.asd b/advent.asd
index d67098d..0c5a6e0 100644
--- a/advent.asd
+++ b/advent.asd
@@ -3,7 +3,7 @@
                 :description "Advent of Code"
                 :author "Emile Hansmaennel <cl@emile.space>"
                 :license "MIT"
-                :depends-on (#:alexandria)
+                :depends-on (#:alexandria #:ppcre)
                 :components ((:file "package")
                              (:file "utils")
                              (:module "2024"
-- 
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