about | help | code help+videos | done | prefs |
The number 4 is considered extremely unlucky in Asian cultures. Find out how many number of 4's occur in a given number. getNumOfFours(0) → 0 getNumOfFours(4) → 1 getNumOfFours(404) → 2 ...Save, Compile, Run (ctrl-enter) |
Progress graphs:
Your progress graph for this problem
Random user progress graph for this problem
Random Epic Progress Graph
Difficulty: 100 Post-solution available
Copyright Nick Parlante 2017 - privacy