2024 day2-3, 2023 day3 2nd

author: Botond Hende <nettingman@gmail.com> 2024-12-03 21:21:47 +0100
committer: Botond Hende <nettingman@gmail.com> 2024-12-03 21:21:47 +0100
commit: 755d3322abe7d94ae87e5624bb1aed85bfb30bc3 (patch)
tree: ea8a7afe1071167a17e3d63f574dad662abcedf1 /2024
parent: 873d769509c56ddbe84616d9411efc51ef0b4fd3 (diff)
9 files changed, 1137 insertions, 0 deletions
diff --git a/2024/day2/input b/2024/day2/input
new file mode 100644
index 0000000..0501d5f
--- /dev/null
+++ b/2024/day2/input
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diff --git a/2024/day2/input_test b/2024/day2/input_test
new file mode 100644
index 0000000..2d6faf5
--- /dev/null
+++ b/2024/day2/input_test
@@ -0,0 +1,6 @@
+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9
+\ No newline at end of file
diff --git a/2024/day2/solve.py b/2024/day2/solve.py
new file mode 100644
index 0000000..3ec9967
--- /dev/null
+++ b/2024/day2/solve.py
@@ -0,0 +1,31 @@
+safe = unsafe = 0
+
+
+def is_safe(report: str) -> bool:
+    last_num = 0
+    increase = True
+    for ii, num in enumerate((int(elem) for elem in report.split())):
+        if ii != 0:
+            if ii == 1:
+                increase = num > last_num
+
+            if (num > last_num) != increase:
+                return False
+
+            diff = abs(num - last_num)
+            if diff < 1 or diff > 3:
+                return False
+
+        last_num = num
+
+    return True
+
+
+with open("input") as f:
+    for report in f.readlines():
+        if is_safe(report):
+            safe += 1
+        else:
+            unsafe += 1
+
+print(f"safe: {safe}\nunsafe: {unsafe}")
diff --git a/2024/day2/solve2.py b/2024/day2/solve2.py
new file mode 100644
index 0000000..8e2f8e7
--- /dev/null
+++ b/2024/day2/solve2.py
@@ -0,0 +1,42 @@
+from typing import Generator
+
+safe = unsafe = 0
+
+
+def is_safe_with_dampening(report: str) -> bool:
+    numbers = [int(elem) for elem in report.split()]
+    for ii in range(len(numbers)):
+        if is_safe((elem for idx, elem in enumerate(numbers) if idx != ii)):
+            return True
+
+    return False
+
+
+def is_safe(numbers: Generator[int, None, None]) -> bool:
+    last_num = 0
+    increase = True
+    for ii, num in enumerate(numbers):
+        if ii != 0:
+            if ii == 1:
+                increase = num > last_num
+
+            if (num > last_num) != increase:
+                return False
+
+            diff = abs(num - last_num)
+            if diff < 1 or diff > 3:
+                return False
+
+        last_num = num
+
+    return True
+
+
+with open("input") as f:
+    for report in f.readlines():
+        if is_safe_with_dampening(report):
+            safe += 1
+        else:
+            unsafe += 1
+
+print(f"safe: {safe}\nunsafe: {unsafe}")
+\ No newline at end of file
diff --git a/2024/day3/input b/2024/day3/input
new file mode 100644
index 0000000..64eaed9
--- /dev/null
+++ b/2024/day3/input
@@ -0,0 +1,6 @@
+from()$&mul(602,165)why()mul(305,64)?(where()-:mul(80,703);)why()*from()%select()mul(290,957)}/?%'from()]mul(851,335)mul(844,49)what()]![from(667,522)]}how()how()mul(938,695)#/)*?@~?@select()mul(706,392)^mul(242,513)who()@]mul(871,132)( ] from()$mul(41,656)^{(&how()from()[when()-when()mul(628,478)mul(287,621)why():'mul(127,825)# ]mul(360,578)select()?^^select() @:why()mul(136,849);{how()%*@%+how()[mul(544,891)mul(436,21)from()}mul(184,294)+/from(81,871) how()&?]mul(297,492)select()/}%;$$~{*mul(161,703)when():+(,mul(335,695) ()&where()?who();'mul(689,420)^how()from()how()what()>]where()don't()}%mul(78,176)~$where():@,>%mul(62,695)@{#how()mul(742,538)who(){$$who()@{+(mul(282,209)%mul(428,514)/+from()}>@<mul(131,844)mul(431,946)&mul(171,87)+mul(164,733)mul(760,223)/^$*@?[mul(485,824)!  *(^-^;mul(465,327)@}when()+~&$?[%don't()$:/!]mul(249,931)mul(963,891)}$%>mul(665,815),mul(762,48)[+/mul(591,445)~?who()#mul(36,3)select()~$ [<}*/do()''>~'$mul(109,905)}how(){!@where()%/mul(380,929)*){~:where()mul(547,552)$:*mul(58,881)where(145,89)[why(634,213)mul(699,443)mul(826,660)what()from()-how()}'from()what()<;mul(700,665)] #(*?how()<+mul(507,719))~*/-^(%mul(941,551)$;don't()#;:when()+#>mul(87,663)who()/how()mul(332,238)~mul(290,235)',why()mul(950,204);where(),(when()mul(233,633)-^}@who()^mul(289,147)$>-'$select(736,261)*~]mul(899,836)'why()do()@when()why()from()mul(975,883);select()who()mul(165,847)why();^/{^mul(31,153)?;'don't()( <!from()from()~'(&mul(352,285)mul(912,583)<mul(192,230)/+~}<!mul(710,930)-how(461,167)][^why()do()*#mul(543,422)^*from()/^#~do()mul(832,873)]#when(455,108)^}who()/]mul(448,716)why()#/&mul(319,598)when()]{/ /'why()mul(865,894): +what()>from()+})what()mul(262,509)!*where()}/-#~/mul(308,953);*!]mul(741,76)[mul(256,536)[)>%-who()<^[$mul(382,338)where()[ when():select()<>mul(993,630)@$mul(411,640)/+where(623,926)/~mul(807,676)+*],mul(579,979who()what()from()when()how()what(),mul(882,434)&who()'mul(154,824)from()#<<,,{where()$mul(259,438)from()}?:;mul(641,967?from())<,>~mul(325,912)%select()mul where()do()where()where();(!,[$why()mul(131,307)mul(323,794)mul(570,548+!$from()!}what(588,195)<select()select()mul(622,782)why()mul(304,116)${(mul(942,260why()[?<$mul(420,225);~,>-from()mul(319,524)!/why()mul(737,137)+^&]/mul(228,919)@mul(672,604)+when(773,127)select()+why(941,245)mul(121!<[?$?;from(987,370):mul(904,487)#^what()from()({?mul(791,791)!,::)@^(mul(517,686)what()*how(),why()&mul(218,978)#,who()&$who()how(205,211)where()[mul(70,357)^$[?^$^what()mul(245,237)where()why()?{/mul$when()+},why()mul(264,30)@*:when(628,215):+&why()[mul(346,794){:}~-,select(),mul(115,926)~mul(140,56)[/:#~don't()@</mul(750,438)}::]!*!mul(64,9)}#  ^mul(827,948)where(885,400)&mul(795,610)@mul(302,983)>:mul(889,788);;*!<$[when(),%mul(177,883)[mul(815,344)when()@$+ @)where(935,128)}{mul(638,520)why()-] when()] mul(639,171)!>[mulwho()~^:what()why()] <what() mul(595,754);mul(85,286)%<:mul(945,972)-mul(964,104)mul(163,666)don't()how()select(6,421),what()]mul(94,79)select()~[),-?mul(669,316)what()mul(452,152*~@]~why()how()when()mul(33,805)[how()select()[@]>mul(560,354)from()where()/];,how()} mul(980,896)
+>/;%who()&where(504,464);!do(),where()/mul(901,274)!when()mul(76,577)>select()mul(257,297)^+(/what(52,6)@%from()who()mul(331,276),what()when())+]{:&mul(653,163)''; '~mul(946,195)+/[from()mul(345,866)mul(975,684)#-:/why();-<:&mul(416,406)where(864,494)}{mul(343,101where()~ $/!where(331,467)who()@:mul(484,862)' mul(629,780)&%why(436,493)what()$mul(104,102)$,where()mul(2,157)who()%mul(404,895)mul(154,983)):]]%#:do()]from()+/#)/mul(682,696)what(518,168)select()where()+when(518,618)mul(799,756)+}why()}:mul(565,289);mul(687,685);@%!>?why()&;-mul(819,190)}]mul(596,898)mul(113,184)who();<mul(327,372) -when()+mul(327,170)>{@do()@?)why(),*/select()[mul(351,147):{+}}~^from()why()mul(350,104$''(from()<when();$$+mul(992,327);->$!when()<don't()mul(586,163))why()*<:;%mul(698,938)~mul(812,610)))where()^<^^*,<mul(50,331)]),/'}mul(469,997)^&who(){$[!]^#mul(468,630)@(+,}how()mul(97,867)! >mul(574,321)-mul(325,17);<& who(){]mul(960,765)^from())<<$:how()mul(412,562);mul(220,976)<what()how()!~{what()why()@what()mul(350,479)}when()&#@{<mul(135,697)[%mul(419,107)mul(33,102)&mul(430,537)?select(676,300)>*mul(338,463),$/#',from();select()*mul(982,199)&^:&mul(607,915)who()mul(473,531)$mul(490,191)select()&-~+>when()mul(105where()'/!do()<;[#why()mul(453,793)&*,^who()who()what()-<mul(722,985){what()[why()mul(526,659)![mul(863,260)select() /%&what()mul(81,404)}from(947,811)&mul(471,334)//why()}]why()what()~mul(160,947)'mul(679,16)>@why()from(642,548)%^(from()+don't()?-mul(976,65)what();]mul(155,153))where()who()when()[]mul(44,452)}mul(51,177)~$[mul(462,949)$}^select()#[)]mul(743,555)?[mul(750,557)}#{from()%(why()where()mul(807,786)+})>{)what()}do()mul(231 (how()*mul(667,833)when()~from()why(),who()(;)mul(729,999)mul(805,756)when()}what()who()!**who()]mul(920,392*]when(26,462)mul(558,874)!~?+$$';mul(694,195)when()/$?from()mul(198,978)%>;/why()who()}+why()@mul(248,980)$ how()>'select();mul(888,351)mul(476,169)[>@-mul(282,926)#<mul(301,964)mul(736,489)* when()?^mul(306,875) from()%'%from(){+when()<do()~/{#,>why()mul(637,563)-'~@!how()'^what()$mul(303,12)]how()~mul(922,806)^+when()[?don't(){,when()!*select()select(828,14)who()'why()mul(237,256)#mul(603,548)mul(887,362)!>%/how()[,%]don't()&mul(499,574)select()}%how() mul(787,625)what()who()) '*,mul(197,610)?!~('where()%'select()how()mul(840,759)} {$mul(19,916)}/mul(965[)) *who()how()~from()who()how()mul(319,356),where(196,245) who()mulwhat())^when(211,851)select()do()-$>+}'?from();>mul(349,592)&;>mul(473,196)where()~mul(939,515)$?{;^{}what()mul(417,24){??where(390,662)~from(),mul(93,289) when()] #from()$mul(543,426)&;&*;why()where()mulfrom(){-?'>,;who()mul(65,960):!how()*}*mul(544,316)%what(585,366)how():>mul(453,85)&[-from()/-#<select(992,327)mul+$^]from()<%-mul(612,429)/[select(41,104)} }?mul(493,119)$;why();from()%mul(83,70)]><mul}how()-mul(752,957)/%why()#-{mul(148{mul(756,579)who()^-select()-#]mul>?how(829,900)why(){mul(544,588)mul(178,94)from()where()mul(84,939)+^]who()]select()(&mul(951,416)how()[-] mul(324,907)who(){< )mul-select()![@&mul(578,700)mul>@~]%){mul(543,266)#how()!*why()$@%don't()>$what()mul(451,107)/mul(307,230)+@$when()from()?['mul(822,895)$mul(530,529)+mul(792,795]$from()what(158,547){what()mul(851,381)?when(649,20),*mul(73,793)<] :(:@+;mul(93,749)from()];'mul(419,25);:!who()-mul(102,426)'why()+from();mul(186,663)
+select()$how()]%]{~mul(183,456)::,+;![when()>mul(513,696)mul(835,886) from()##* select()%{mul(820,742)don't()why()mul(295,615)^]what()how()-what()*who()why(931,57)when()mul(688,219)!@mul(191,470)how()>?from()from(764,712):where(){:mul(951,673)!mul(536,960)[>?':]mul(353,508)!*how(977,514){)'mul(135,970)}>%select()select()::where()mul(580,976)'^when()mul(144,491)what()%&]mul(360,420(who()how() :@mul(925,707)mul(723,986){mul(465,348) mul(153,323)#~when();from()@}-;<mul(579,823)select())-?$&{select()?~mul(957,611%?from()what()select()('?mul(87,471)#select()-who()@mul(885,437)>] how()[^ :what()mul(990,144)}mul(567,848)select();@where()'(^@mul(620,639))how(711,187)how()select()+?)+^don't()mul(776who()$mul(592,515)what(),who(),mul(870,763)where():when()^>{}mul(503,440)mul(524,563)why(112,173)how()(,[;mul(235,893)how()*?/]mul(524,355%/],^]*^!%where()mul(464,297)select()from()who()};%what();{mul(289,689)#<mul(159,534)-[<why()%~?$<mul(789,482)-{$select()&{how()mul(220,671))!mul(122,701)mul(747,45)#(mul(249,127)~%'#~-where()how(),mul(83,660)}how()!who(882,504)from()where(){{mulwho()<+when(132,720){(from()how()@,mul(829,58):}[mul+)don't()#$?(@'{%where()how()mul(155,396)how()who()];-mul(454,202)mul(733,864))+]<mul(735,897)/ <;mul(80,402))mul(730,574)([*{who(){*who():what()mul(832,674))select()}+(who()-'mul(427,836)mul(79,877)mul(436,288)what(),:,*from()who()how()(mul(327,609)why()!)% &when()mul(372,811)where(623,779)where()@]when()don't()[{from(){mul(842,562)~who()]mul(814,697)']why()mul^*-where()from()>who()[&[mul(604,447)select()~#<;(~^mul(807,738)[~/from()mul(477,588) ^-]-mul(820,399)@-when()>%mul(580,918)mul(401why()*;],why()]]+!mul(343,445)*<+why()$mul(830~@who(),;from()#mul(776,674)?$who(){+mul(295,290){where()when()mul(321,389)&{'@<mul(338,854)*$do()()why()where()select()#where()what()$mul&'$mul(438,58)+mul(176,945)!$<&;do()when())select()}mul]!*why()where()from(),^^(,mul(765,384)@from()why(111,662) }(mul(496,9)*<#mul(391,60)!:;?!]:from()~mul(494,14)(mul(390,353)}@:why()@]where()&mul(885,604)+%@/?mul(254,601)@&:,mul(100,15)%select(301,302)*mul(71,315)(select()mul(871,371)mul(870,594);*#{>$}who()mul(879,995)*{from()/(;)mul(569,107)mul(223,576)~~>*@when()]]mul(624,981)?{^'$>(mul(812,37)what()-?:>&{+mul(731 < %-who()select()mul(656,82)how()'from()mul(446,744)'<;~why()}^:,]mul(461,437)when(245,888);$[%when(896,829)who()>{mul(791,568),-%$! ?#*mul(134,101),~<-'}how(672,596)?/mul(641,129) :from()#?mul(414 )]-%from(),@)(mul(53,315):@& ,who()where(734,227)^mul(271,699)from()>how():when(595,247)'}%',mul(730,933)from()',]why()+ how()where()mul(231,37)~<+&[$:}!:mulwhen(572,105)}who()mul(374,347)/-<mul(660,713)++when()?;who() mul(885,672)>why()*what()how()#!@}mul(230,754)-what()-</# ]don't()~+-:}+why()how()>:mul(759,756)select() $what()]^select()#how()?mul(567,572)mul(757,309)'[mul(530when()+/(*{mul(736,155)+*where(960,885)%: {:mul(713,672)!$*{#%mul(17,60)&what(966,667)what()why(): select(428,568)*!&mul(228,28)where()where()@/])do()}!/{^?{[why()mul(218,633)mul(156,644)>{~^[?mul(377,886) where()%who(159,149));how(909,452)-mul(869,404)>:mul(920,501){what())+how()mul(545,793)~-mul(74,347)where()!-;how()when()>)%mul(647,960})>;&why()mul(767,582)~^+;who()<)<)mul(494,399/;-from()^don't()why()mul(215,704)%%from()mul(392,808)-who()+where()[{-*/mul(869,412)from()mul(501,148)?'don't()from():}select()mul(796,221)select()mul<)@ ,when()}[:[what(96,456)mul(651,592)when()';$ (*why()mul(134,209);select())[mul(434,869)@{+'$mul(292,419)mul(175,874),from()select()$?[{^mul(866,742)
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diff --git a/2024/day3/input_test b/2024/day3/input_test
new file mode 100644
index 0000000..2e1a90a
--- /dev/null
+++ b/2024/day3/input_test
@@ -0,0 +1 @@
+xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
+\ No newline at end of file
diff --git a/2024/day3/input_test2 b/2024/day3/input_test2
new file mode 100644
index 0000000..b774ec9
--- /dev/null
+++ b/2024/day3/input_test2
@@ -0,0 +1 @@
+xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))
+\ No newline at end of file
diff --git a/2024/day3/solve.py b/2024/day3/solve.py
new file mode 100644
index 0000000..a651ff3
--- /dev/null
+++ b/2024/day3/solve.py
@@ -0,0 +1,12 @@
+import re
+
+pattern = re.compile('mul\\(([0-9]{1,3}),([0-9]{1,3})\\)')
+
+with open("input") as f:
+    data = f.read()
+
+result = 0
+for match in pattern.findall(data):
+    result += int(match[0]) * int(match[1])
+
+print(result)
diff --git a/2024/day3/solve2.py b/2024/day3/solve2.py
new file mode 100644
index 0000000..3564eca
--- /dev/null
+++ b/2024/day3/solve2.py
@@ -0,0 +1,38 @@
+import re
+
+pattern = re.compile('mul\\(([0-9]{1,3}),([0-9]{1,3})\\)')
+do_pattern = re.compile('do\\(\\)')
+dont_pattern = re.compile("don't\\(\\)")
+
+with open("input") as f:
+    data = f.read()
+
+do_dont_intervals = []
+
+for match in do_pattern.finditer(data):
+    do_dont_intervals.append((match.start(), True))
+
+for match in dont_pattern.finditer(data):
+    do_dont_intervals.append((match.start(), False))
+
+do_dont_intervals.sort(key=lambda elem: elem[0])
+
+
+def get_do_state(intervals: list[tuple[int, bool]], pos: int):
+    current_state = True
+    for elem in intervals:
+        if elem[0] > pos:
+            break
+        else:
+            current_state = elem[1]
+
+    return current_state
+
+
+result = 0
+for match in pattern.finditer(data):
+    if get_do_state(do_dont_intervals, match.start()):
+        result += int(match.group(1)) * int(match.group(2))
+
+
+print(result)
author	Botond Hende <nettingman@gmail.com>	2024-12-03 21:21:47 +0100
committer	Botond Hende <nettingman@gmail.com>	2024-12-03 21:21:47 +0100
commit	755d3322abe7d94ae87e5624bb1aed85bfb30bc3 (patch)
tree	ea8a7afe1071167a17e3d63f574dad662abcedf1 /2024
parent	873d769509c56ddbe84616d9411efc51ef0b4fd3 (diff)