aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

2016 Update

Browse source
This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Task/Hofstadter-Q-sequence/CoffeeScript/hofstadter-q-sequence.coffee Normal file
View file

@ -0,0 +1,11 @@
hofstadterQ = do ->
memo = [ 1 ,1, 1]
Q = (n) ->
result = memo[n]
if typeof result != 'number'
result = memo[n] = Q(n - Q(n - 1)) + Q(n - Q(n - 2))
result
# some results:
console.log 'Q(' + i + ') = ' + hofstadterQ(i) for i in [1..10]
console.log 'Q(1000) = ' + hofstadterQ(1000)