id/email
password
forgot password | create account
about | help | code help+videos | done | prefs
CodingBat code practice

 

frew@mclean.com disco > powerset
prev  |  next  |  chance

Given a finite set, list all elements of its power set.


powerset(["A", "B"]) → ["", "A", "B", "AB"]
powerset(["A", "B", "C"]) → ["", "A", "B", "C", "AB", "AC", "BC", "ABC"]
powerset(["A"]) → ["", "A"]

...Save, Compile, Run (ctrl-enter)

public List powerset(ArrayList<String> things) { }

Editor font size %:
Shorter output


Forget It! -- delete my code for this problem

Progress graphs:
 Your progress graph for this problem
 Random user progress graph for this problem
 Random Epic Progress Graph

Java Help

Misc Code Practice

Difficulty: 200 Post-solution available

Copyright Nick Parlante 2017 - privacy