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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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8
Task/Hofstadter-Q-sequence/Sidef/hofstadter-q-sequence-1.sidef
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@ -1,8 +1,8 @@
func Q(n) is cached {
n <= 2 ? 1
: Q(n - Q(n-1))+Q(n-Q(n-2))
n <= 2 ? 1
 : Q(n - Q(n-1))+Q(n-Q(n-2))
}
say "First 10 terms: #{10.of {|n| Q(n) }.dump }"
 
say "First 10 terms: #{ {|n| Q(n) }.map(1..10) }"
say "Term 1000: #{Q(1000)}"
say "Terms less than preceding in first 100k: #{2..100000->count{|i|Q(i)<Q(i-1)}}"

6
Task/Hofstadter-Q-sequence/Sidef/hofstadter-q-sequence-2.sidef
View file

@ -1,8 +1,8 @@
var Q = [0, 1, 1];
var Q = [0, 1, 1]
100_000.times {
Q << (Q[-Q[-1]] + Q[-Q[-2]])
}
say "First 10 terms: #{Q.ft(1, 10).dump}"
 
say "First 10 terms: #{Q.ft(1, 10)}"
say "Term 1000: #{Q[1000]}"
say "Terms less than preceding in first 100k: #{2..100000->count{|i|Q[i]<Q[i-1]}}"