Comment on K: We need to talk about groupparentComments−jpf03yYes. this one is fun. Recursive, memoized Fibonacci, the 155th integer precisely.{{(-&2 +&$: -&1) ^: (1&<) M. y}} 155xIt'll run in your browser in 0.003 seconds.https://jsoftware.github.io/j-playground/bin/html2/#code=%7B...
Comments
Yes. this one is fun. Recursive, memoized Fibonacci, the 155th integer precisely.
{{(-&2 +&$: -&1) ^: (1&<) M. y}} 155x
It'll run in your browser in 0.003 seconds.
https://jsoftware.github.io/j-playground/bin/html2/#code=%7B...