fork(1) download
copy 
  1. f={i=0;it.each{it.reverse i=!i}.flatten()}
  2.  
  3. println f([[4, 3, 2, 1], [5, 6, 7, 8], [12, 11, 10, 9], [13, 14, 15, 16]])
  4.  
Success #stdin #stdout 0.9s 2252800KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]
https://ideone.com/XirvAC
language:
Groovy (groovy 2.5.6)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!