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Month ThemeFeatured atWeekExerciseTrack 1Track 2Track 3Instructions updated
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Warm up01-161leapPythonClojureMIPS
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Warm up01-232reverse-stringJavaScriptNimC++
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Warm up01-303raindropsRubyRCommon Lisp
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Functional02-064roman-numeralsElixirPharoJulia
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Functional02-135protein-translationF#CrystalC#
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Functional02-206list-opsGleamSwiftSML
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Functional02-277acronymHaskellTclPowerShell
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System03-058circular-bufferCGroovyScala
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System03-129parallel-letter-frequencyGoJavaElixir
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System03-1910allergiesNimElmRust
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System03-2611sieveZigBashFortran
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Analytical04-0212luhnTypeScriptPerlAWK
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Analytical04-0913scrabble-scorePythonSchemeC
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Analytical04-1614difference-of-squaresRWASMSwift
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Analytical04-2315pangramJuliaElixirGo
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Analytical04-3016all-your-baseC++ErlangGroovy
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Mind-shifting05-0717zebra-puzzlePrologScalaJavaScript
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Mind-shifting05-1418minesweeperPharoOcamlCrystal
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Mind-shifting05-2119dnd-characterUnisonNimTcl
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Mind-shifting05-2820pig-latinBashLuaC#
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Lisps06-0421space-ageClojureRubyPython
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Lisps06-1122yachtCommon LispRustF#
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Lisps06-1823matching-bracketsRacketZigVbnet
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Lisps06-2524rna-transcriptionSchemeElmABAP
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Jurassic07-0225binary-searchFortranBallerinaOCaml
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Jurassic07-0926spiral-matrixVBPureScriptGo
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Jurassic07-1627secret-handshakeC++RakuHaskell
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Jurassic07-2328anagramCobolLFEReasonML
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Jurassic07-3029kindergarten-gardenCAWKPerl
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Apps08-0630robot-simulatorTypeScriptGleamPython
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Apps08-1331knapsackJavajqProlog
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Apps08-2032meetupPureScriptErlangPHP
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Apps08-2733pascals-triangleDartCoffeeScriptJulia
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Slimline09-0334hammingC#8thWren
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Slimline09-1035rotational-cipherBashUnisonKotlin
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Slimline09-1736phone-numberRakuElixirSwift
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Slimline09-2437isogramAWKRustProlog
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OOP10-0138bobRubyF#D
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OOP10-0839two-bucketCrystalVElm
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OOP10-1540grade-schoolPowerShellGleamLua
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OOP10-2241bank-accountJavaErlangClojure
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OOP10-2942food-chainRubyGoHaskell
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Nibbly11-0543eliuds-eggsx86-64Racket8th
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Nibbly11-1244collatz-conjectureRustC#jq
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Nibbly11-1945run-length-encodingWASMElmKotlin
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Nibbly11-2646armstrong-numbersMIPSDJavaScript
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Random12-0347diamondWrenTclCfml
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Random12-1048largest-series-productLuaGroovyScala
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