Day 1.
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**/*.bak
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compiled/
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#lang racket
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(require racket/format
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2htdp/batch-io)
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|
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(provide problem-input
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show-solution
|
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sum)
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|
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;; IO helpers
|
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|
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;; problem-input : number? -> (listof string?)
|
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;; Return contents of input file input/xx.txt as lines of strings.
|
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(define (problem-input n)
|
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(let* ([filename (~a n #:min-width 2 #:align 'right #:left-pad-string "0")]
|
||||
[path (string-append "../input/" filename ".txt")])
|
||||
(read-lines path)))
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||||
|
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;; show-solution : any/c -> any/c -> void
|
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;; Print part1 and part2 on separate lines.
|
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(define (show-solution part1 part2)
|
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(printf "Part 1: ~a\nPart 2: ~a\n" part1 part2))
|
||||
|
||||
|
||||
;; Common helpers
|
||||
|
||||
;; sum : (listof number) -> number
|
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(define (sum ns) (apply + ns))
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#reader(lib"read.ss""wxme")WXME0108 ##
|
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#|
|
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This file uses the GRacket editor format.
|
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Open this file in DrRacket version 7.0 or later to read it.
|
||||
|
||||
Most likely, it was created by saving a program in DrRacket,
|
||||
and it probably contains a program with non-text elements
|
||||
(such as images or comment boxes).
|
||||
|
||||
http://racket-lang.org/
|
||||
|#
|
||||
33 7 #"wxtext\0"
|
||||
3 1 6 #"wxtab\0"
|
||||
1 1 8 #"wximage\0"
|
||||
2 0 8 #"wxmedia\0"
|
||||
4 1 34 #"(lib \"syntax-browser.ss\" \"mrlib\")\0"
|
||||
1 0 36 #"(lib \"cache-image-snip.ss\" \"mrlib\")\0"
|
||||
1 0 68
|
||||
(
|
||||
#"((lib \"image-core.ss\" \"mrlib\") (lib \"image-core-wxme.rkt\" \"mr"
|
||||
#"lib\"))\0"
|
||||
) 1 0 16 #"drscheme:number\0"
|
||||
3 0 44 #"(lib \"number-snip.ss\" \"drscheme\" \"private\")\0"
|
||||
1 0 36 #"(lib \"comment-snip.ss\" \"framework\")\0"
|
||||
1 0 93
|
||||
(
|
||||
#"((lib \"collapsed-snipclass.ss\" \"framework\") (lib \"collapsed-sni"
|
||||
#"pclass-wxme.ss\" \"framework\"))\0"
|
||||
) 0 0 43 #"(lib \"collapsed-snipclass.ss\" \"framework\")\0"
|
||||
0 0 19 #"drscheme:sexp-snip\0"
|
||||
0 0 29 #"drscheme:bindings-snipclass%\0"
|
||||
1 0 101
|
||||
(
|
||||
#"((lib \"ellipsis-snip.rkt\" \"drracket\" \"private\") (lib \"ellipsi"
|
||||
#"s-snip-wxme.rkt\" \"drracket\" \"private\"))\0"
|
||||
) 2 0 88
|
||||
(
|
||||
#"((lib \"pict-snip.rkt\" \"drracket\" \"private\") (lib \"pict-snip.r"
|
||||
#"kt\" \"drracket\" \"private\"))\0"
|
||||
) 0 0 55
|
||||
#"((lib \"snip.rkt\" \"pict\") (lib \"snip-wxme.rkt\" \"pict\"))\0"
|
||||
1 0 34 #"(lib \"bullet-snip.rkt\" \"browser\")\0"
|
||||
0 0 25 #"(lib \"matrix.ss\" \"htdp\")\0"
|
||||
1 0 22 #"drscheme:lambda-snip%\0"
|
||||
1 0 29 #"drclickable-string-snipclass\0"
|
||||
0 0 26 #"drracket:spacer-snipclass\0"
|
||||
0 0 57
|
||||
#"(lib \"hrule-snip.rkt\" \"macro-debugger\" \"syntax-browser\")\0"
|
||||
1 0 26 #"drscheme:pict-value-snip%\0"
|
||||
0 0 45 #"(lib \"image-snipr.ss\" \"slideshow\" \"private\")\0"
|
||||
1 0 38 #"(lib \"pict-snipclass.ss\" \"slideshow\")\0"
|
||||
2 0 55 #"(lib \"vertical-separator-snip.ss\" \"stepper\" \"private\")\0"
|
||||
1 0 18 #"drscheme:xml-snip\0"
|
||||
1 0 31 #"(lib \"xml-snipclass.ss\" \"xml\")\0"
|
||||
1 0 21 #"drscheme:scheme-snip\0"
|
||||
2 0 34 #"(lib \"scheme-snipclass.ss\" \"xml\")\0"
|
||||
1 0 10 #"text-box%\0"
|
||||
1 0 32 #"(lib \"text-snipclass.ss\" \"xml\")\0"
|
||||
1 0 1 6 #"wxloc\0"
|
||||
0 0 81 0 1 #"\0"
|
||||
0 75 1 #"\0"
|
||||
0 10 90 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 0 9
|
||||
#"Standard\0"
|
||||
0 75 12 #"Courier New\0"
|
||||
0 10 90 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 -1 -1 2 24
|
||||
#"framework:default-color\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 150 0 150 0 0 0 -1 -1 2 15
|
||||
#"text:ports out\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 150 0 150 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1.0 0 -1 -1 93 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 255 0 0 0 0 0 -1
|
||||
-1 2 15 #"text:ports err\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 93 -1 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 175 0 0 0 -1 -1 2 17
|
||||
#"text:ports value\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 175 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1
|
||||
-1 2 27 #"Matching Parenthesis Style\0"
|
||||
0 -1 1 #"\0"
|
||||
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1
|
||||
-1 2 1 #"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 37
|
||||
#"framework:syntax-color:scheme:symbol\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 38
|
||||
#"framework:syntax-color:scheme:keyword\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 194 116 31 0 0 0 -1 -1 2
|
||||
38 #"framework:syntax-color:scheme:comment\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 194 116 31 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 37
|
||||
#"framework:syntax-color:scheme:string\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 35
|
||||
#"framework:syntax-color:scheme:text\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 39
|
||||
#"framework:syntax-color:scheme:constant\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 49
|
||||
#"framework:syntax-color:scheme:hash-colon-keyword\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 42
|
||||
#"framework:syntax-color:scheme:parenthesis\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 36
|
||||
#"framework:syntax-color:scheme:error\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 36
|
||||
#"framework:syntax-color:scheme:other\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 16
|
||||
#"Misspelled Text\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2
|
||||
38 #"drracket:check-syntax:lexically-bound\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 28
|
||||
#"drracket:check-syntax:set!d\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 37
|
||||
#"drracket:check-syntax:unused-require\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 36
|
||||
#"drracket:check-syntax:free-variable\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 31
|
||||
#"drracket:check-syntax:imported\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 47
|
||||
#"drracket:check-syntax:my-obligation-style-pref\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 50
|
||||
#"drracket:check-syntax:their-obligation-style-pref\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 48
|
||||
#"drracket:check-syntax:unk-obligation-style-pref\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2
|
||||
49 #"drracket:check-syntax:both-obligation-style-pref\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2
|
||||
26 #"plt:htdp:test-coverage-on\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 2 27
|
||||
#"plt:htdp:test-coverage-off\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 4 1
|
||||
#"\0"
|
||||
0 70 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
|
||||
-1 -1 4 4 #"XML\0"
|
||||
0 70 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
|
||||
-1 -1 2 37 #"plt:module-language:test-coverage-on\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 38
|
||||
#"plt:module-language:test-coverage-off\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 4 1
|
||||
#"\0"
|
||||
0 71 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
|
||||
-1 -1 4 1 #"\0"
|
||||
0 -1 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1
|
||||
-1 4 1 #"\0"
|
||||
0 71 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1
|
||||
-1 4 1 #"\0"
|
||||
0 71 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 100 0 0 0 0 -1
|
||||
-1 2 1 #"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 200 0 0 0 0 0 -1 -1 4 32
|
||||
#"widget.rkt::browser-text% basic\0"
|
||||
0 70 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
|
||||
-1 -1 4 59
|
||||
#"macro-debugger/syntax-browser/properties color-text% basic\0"
|
||||
0 70 1 #"\0"
|
||||
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
|
||||
-1 -1 57 1 #"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 190 190 190 0 0 0 -1 -1 4
|
||||
1 #"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 4 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 4 1
|
||||
#"\0"
|
||||
0 -1 1 #"\0"
|
||||
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||||
0 0 24 3 1 #"("
|
||||
0 0 15 3 6 #"define"
|
||||
0 0 24 3 1 #" "
|
||||
0 0 14 3 5 #"part2"
|
||||
0 0 24 29 1 #"\n"
|
||||
0 0 24 3 3 #" ("
|
||||
0 0 14 3 3 #"sum"
|
||||
0 0 24 3 2 #" ("
|
||||
0 0 14 3 3 #"map"
|
||||
0 0 24 3 1 #" "
|
||||
0 0 14 3 13 #"calc-fuel-rec"
|
||||
0 0 24 3 1 #" "
|
||||
0 0 14 3 5 #"input"
|
||||
0 0 24 3 3 #")))"
|
||||
0 0 24 29 1 #"\n"
|
||||
0 0 24 29 1 #"\n"
|
||||
0 0 24 3 1 #"("
|
||||
0 0 14 3 13 #"show-solution"
|
||||
0 0 24 3 1 #" "
|
||||
0 0 14 3 5 #"part1"
|
||||
0 0 24 3 1 #" "
|
||||
0 0 14 3 5 #"part2"
|
||||
0 0 24 3 1 #")"
|
||||
0 0
|
||||
Loading…
Reference in New Issue