Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
I think this ensures the math operator adds and does not concatenate the strings (as b is a string at this point). The preceeding + uses type cohersion to change it to a number.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
Brute force method return time out
Clever and best practice !
Advise by MDN for mask
This comment is hidden because it contains spoiler information about the solution