fork download
copy 
  1. b=[[6, "Jet"], [0, "Fuel"], [0, "Engine"]]
  2.  
  3. c = Hash.new { |h, k| h[k] = [] }
  4. b.each { |k, v| c[k] << v }
  5.  
  6. p c
  7.  
Success #stdin #stdout 0.01s 7464KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
{6=>["Jet"], 0=>["Fuel", "Engine"]}
https://ideone.com/stB72t
language:
Ruby (ruby 2.5.5)
created:
9 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!