cellularmitosis/solutions-by-exercise.md

## solutions-by-exercise.md

      
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              solutions-by-exercise.md
            
          
    Blog 2019/1/25
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Index of solutions to Exercism.io problems (grouped by exercise)

Browsing solutions to the same problem is a great way to compare languages!
By Exercise:

accumulate


clojure
elixir
elm
erlang
go
haskell
javascript
php
purescript
reasonml
ruby
rust
sml
swift

acronym


bash
c
clojure
common-lisp
elisp
elixir
elm
go
haskell
javascript
kotlin
lua
nim
objective-c
ocaml
php
purescript
python
r
racket
reasonml
ruby
rust
swift

affine-cipher


bash
php
python
ruby

all-your-base


c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
kotlin
lua
objective-c
ocaml
php
purescript
python
reasonml
ruby
rust
sml
swift

allergies


c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
nim
objective-c
ocaml
php
purescript
python
r
racket
reasonml
ruby
rust
sml
swift

alphametics


elixir
go
haskell
javascript
lua
python
ruby
rust

anagram


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
nim
objective-c
ocaml
php
prolog
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

armstrong-numbers


bash
clojure
common-lisp
elisp
elixir
erlang
go
haskell
javascript
julia
nim
python
reasonml
rust

atbash-cipher


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
purescript
python
ruby
rust
sml
swift

bank-account


clojure
elixir
erlang
go
haskell
kotlin
lfe
lua
python

beer-song


c
clojure
common-lisp
elixir
erlang
go
haskell
javascript
kotlin
lfe
lua
objective-c
ocaml
php
python
r
ruby
rust
swift

binary


c
clojure
common-lisp
elisp
elixir
lfe
lua
nim
php
plsql
prolog

binary-search


c
clojure
elixir
elm
go
javascript
kotlin
lua
objective-c
ocaml
php
purescript
python
reasonml
ruby
rust
swift

binary-search-tree


c
clojure
elixir
go
haskell
javascript
lua
python
ruby
swift

bob


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
nim
objective-c
ocaml
php
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

book-store


go
php
python
ruby
rust

bowling


elixir
go
haskell
javascript
lua
ocaml
php
python
ruby
rust
swift

bracket-push


c
clojure
elixir
elm
erlang
go
haskell
javascript
kotlin
lua
nim
objective-c
ocaml
php
purescript
python
ruby
rust
sml
swift

change


clojure
elixir
erlang
go
haskell
javascript
kotlin
lua
ocaml
php
python
reasonml
ruby

circular-buffer


erlang
go
javascript
lfe
lua
python
ruby
rust
swift

clock


c
clojure
elixir
erlang
go
haskell
javascript
kotlin
lfe
lua
objective-c
php
python
ruby
rust
swift

collatz-conjecture


bash
c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
nim
objective-c
php
purescript
python
r
racket
ruby
rust
sml
swift

complex-numbers


c
clojure
erlang
haskell
javascript
julia
kotlin
prolog
python
ruby
swift

connect


elixir
erlang
go
haskell
javascript
ocaml
php
python
ruby

crypto-square


c
clojure
common-lisp
elisp
elixir
erlang
go
haskell
javascript
lua
objective-c
php
purescript
python
r
ruby
rust
swift

custom-set


elixir
erlang
go
haskell
javascript
julia
lua
ocaml
python
ruby
rust
swift

darts


erlang
javascript

decimal


rust

diamond


bash
c
clojure
elixir
erlang
go
haskell
javascript
kotlin
lua
php
purescript
python
r
ruby
rust
sml
swift

difference-of-squares


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
plsql
purescript
python
r
racket
ruby
rust
scheme
sml
swift

diffie-hellman


elixir
go
javascript
python
rust

dnd-character


haskell
python

dominoes


clojure
elixir
erlang
go
haskell
ocaml
prolog
python
ruby
rust
swift

dot-dsl


elixir
python
rust

error-handling


bash
go
python

etl


c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
objective-c
ocaml
php
purescript
python
racket
ruby
rust
swift

flatten-array


clojure
elixir
go
javascript
kotlin
lua
objective-c
php
python
ruby
sml
swift

food-chain


go
haskell
javascript
lua
python
ruby
swift

forth


elixir
erlang
go
haskell
javascript
kotlin
ocaml
python
rust

gigasecond


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
javascript
julia
kotlin
lfe
lua
nim
objective-c
php
plsql
python
racket
ruby
rust
swift

go-counting


clojure
haskell
python

grade-school


clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
nim
objective-c
ocaml
php
python
ruby
rust
swift

grains


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
objective-c
php
plsql
prolog
python
r
racket
ruby
rust
scheme
swift

grep


elixir
go
python
racket
rust

hamming


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
plsql
prolog
purescript
python
r
racket
ruby
rust
scheme
sml
swift

hangman


ocaml

hello-world


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
plsql
prolog
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

hexadecimal


clojure
elixir
mips

high-scores


javascript
python
ruby

house


go
haskell
javascript
lua
python
ruby
swift

isbn-verifier


bash
clojure
elixir
erlang
go
haskell
javascript
julia
kotlin
lua
python
ruby
rust
swift

isogram


bash
c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
mips
nim
objective-c
php
prolog
purescript
python
r
reasonml
ruby
rust
swift

kindergarten-garden


clojure
elixir
go
haskell
javascript
lua
python
ruby
swift

largest-series-product


c
clojure
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
objective-c
php
purescript
python
r
ruby
rust
swift

leap


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
plsql
prolog
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

ledger


go
python

lens-person


haskell

linked-list


c
go
haskell
javascript
kotlin
lua
python
ruby
swift

list-ops


elixir
elm
erlang
go
haskell
javascript
kotlin
lua
ocaml
python
racket
ruby
scheme
sml
swift

luhn


bash
c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
objective-c
ocaml
php
python
r
ruby
rust
swift

luhn-from


rust

luhn-trait


rust

macros


rust

markdown


elixir
go
php
python

matrix


elixir
go
haskell
javascript
lua
python
ruby
swift

meetup


c
clojure
common-lisp
elixir
erlang
go
haskell
javascript
kotlin
lfe
lua
objective-c
ocaml
php
purescript
python
racket
ruby
swift

minesweeper


c
clojure
elixir
erlang
go
haskell
javascript
kotlin
lua
ocaml
php
python
reasonml
ruby
rust
swift

nth-prime


c
clojure
elixir
go
haskell
javascript
kotlin
lua
mips
nim
objective-c
php
plsql
python
ruby
rust
sml
swift

nucleotide-count


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
nim
objective-c
ocaml
php
prolog
r
racket
ruby
rust
scheme
swift

ocr-numbers


elixir
go
haskell
javascript
lua
php
python
ruby
rust
swift

octal


clojure
lua
mips

paasio


go
rust

palindrome-products


c
elixir
erlang
go
haskell
javascript
ocaml
php
python
ruby
rust
swift

pangram


bash
c
clojure
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
nim
objective-c
ocaml
php
purescript
python
r
reasonml
ruby
rust
sml
swift

parallel-letter-frequency


elixir
erlang
go
haskell
lfe
rust

pascals-triangle


c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
objective-c
php
prolog
purescript
r
ruby
rust
swift

perfect-numbers


c
clojure
common-lisp
elisp
elixir
erlang
go
haskell
javascript
kotlin
lua
objective-c
php
python
r
racket
ruby
rust
sml
swift

phone-number


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
objective-c
ocaml
php
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

pig-latin


c
clojure
elixir
go
haskell
javascript
kotlin
lua
php
python
ruby
rust
sml
swift

poker


clojure
elixir
erlang
go
haskell
python
ruby
rust
swift

pov


clojure
go
haskell
lua
python

prime-factors


c
clojure
common-lisp
elixir
erlang
go
haskell
javascript
kotlin
lua
objective-c
ocaml
php
python
r
ruby
rust
sml
swift

protein-translation


clojure
elixir
erlang
go
haskell
javascript
lua
python
reasonml
ruby
rust
swift

proverb


clojure
go
haskell
javascript
ruby
rust
swift

pythagorean-triplet


elixir
go
haskell
javascript
lua
python
ruby
rust
swift

queen-attack


c
clojure
elixir
erlang
go
haskell
javascript
lua
nim
php
prolog
python
ruby
rust
swift

rail-fence-cipher


elixir
erlang
go
haskell
kotlin
lua
php
python
ruby
rust

raindrops


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
mips
nim
objective-c
ocaml
php
plsql
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

rational-numbers


erlang
javascript
python

react


c
go
javascript
kotlin
lua
nim
ocaml
python
rust

rectangles


go
javascript
lua
ocaml
python
rust

rest-api


python

retree


python

reverse-string


bash
clojure
go
javascript
lua
nim
objective-c
python
rust

rna-transcription


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
mips
nim
objective-c
ocaml
php
plsql
prolog
purescript
python
r
racket
reasonml
ruby
rust
scheme
sml
swift

robot-name


clojure
common-lisp
elisp
go
haskell
javascript
julia
kotlin
lua
objective-c
ocaml
php
python
ruby
rust
scheme
swift

robot-simulator


c
clojure
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
php
python
ruby
rust
swift

roman-numerals


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
nim
objective-c
ocaml
php
plsql
python
racket
reasonml
ruby
rust
sml
swift

rotational-cipher


clojure
elixir
erlang
go
haskell
javascript
julia
kotlin
python
r
ruby
rust
swift

run-length-encoding


c
clojure
elisp
elixir
elm
erlang
go
haskell
javascript
julia
lua
nim
objective-c
ocaml
php
python
reasonml
ruby
rust
swift

saddle-points


elixir
erlang
go
haskell
javascript
kotlin
python
ruby
rust
swift

say


c
clojure
elixir
elm
go
haskell
javascript
kotlin
lua
objective-c
ocaml
python
racket
ruby
rust
swift

scale-generator


elixir
go
python
ruby
rust
swift

scrabble-score


bash
c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
mips
nim
objective-c
php
purescript
python
r
racket
ruby
rust
scheme
swift

secret-handshake


c
clojure
elixir
erlang
go
haskell
javascript
julia
kotlin
lua
objective-c
python
r
ruby
swift

series


c
clojure
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
objective-c
php
python
ruby
rust
swift

sgf-parsing


haskell
python

sieve


c
clojure
common-lisp
elixir
erlang
go
haskell
javascript
julia
kotlin
lua
objective-c
php
python
r
ruby
rust
swift

simple-cipher


elixir
go
haskell
javascript
kotlin
python
ruby
rust
swift

simple-linked-list


elixir
go
haskell
javascript
python
ruby
rust
swift

space-age


c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
nim
objective-c
ocaml
php
prolog
python
r
reasonml
ruby
rust
sml
swift

spiral-matrix


clojure
elixir
erlang
go
haskell
javascript
julia
kotlin
prolog
python
rust

strain


clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
lfe
objective-c
ruby
swift

sublist


c
clojure
common-lisp
elixir
elm
go
haskell
javascript
kotlin
lua
objective-c
python
rust
swift

sum-of-multiples


c
clojure
elixir
elm
erlang
go
haskell
javascript
kotlin
lfe
lua
nim
objective-c
php
prolog
purescript
python
r
ruby
rust
sml
swift

tournament


elixir
go
lua
python
r
ruby
rust
swift

transpose


elixir
elm
go
haskell
javascript
julia
lua
objective-c
php
python
ruby
swift

tree-building


go
python

triangle


bash
c
clojure
common-lisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lua
mips
nim
objective-c
ocaml
php
prolog
purescript
python
r
ruby
rust
swift

trinary


clojure
common-lisp
elisp
julia
lfe
mips
php

twelve-days


common-lisp
elixir
elm
go
haskell
javascript
python
ruby
swift

two-bucket


go
javascript
python
ruby
rust

two-fer


bash
c
clojure
elisp
elixir
elm
erlang
go
javascript
kotlin
nim
objective-c
python
racket
ruby
scheme
sml
swift

variable-length-quantity


erlang
go
javascript
lua
php
python
rust

word-count


bash
c
clojure
common-lisp
elisp
elixir
elm
erlang
go
haskell
javascript
julia
kotlin
lfe
lua
nim
objective-c
ocaml
php
purescript
python
r
racket
reasonml
ruby
rust
scheme
swift

word-search


go
javascript
lua
python

wordy


c
clojure
elixir
go
haskell
javascript
php
python
ruby
rust
swift

yacht


go
python

zebra-puzzle


go
haskell
python

zipper


elixir
erlang
haskell
javascript
ocaml
python
ruby