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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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11
Task/Run-length-encoding/CoffeeScript/run-length-encoding-1.coffeescript Normal file
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encode = (str) ->
str.replace /(.)\1*/g, (w) ->
w[0] + w.length
decode = (str) ->
str.replace /(.)(\d+)/g, (m,w,n) ->
new Array(+n+1).join(w)
console.log s = "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
console.log encode s
console.log decode encode s

8
Task/Run-length-encoding/CoffeeScript/run-length-encoding-2.coffeescript Normal file
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encode = (str, offset = 75) ->
str.replace /(.)\1*/g, (w) ->
w[0] + String.fromCharCode(offset+w.length)
decode = (str, offset = 75) ->
str.split('').map((w,i) ->
if not (i%2) then w else new Array(+w.charCodeAt(0)-offset).join(str[i-1])
).join('')