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.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
See reduce/inject or even array#sum for more idiomatic ways of summing an array.
Can someone explain what the underscores mean, it is something about ommitting the argument label, but the arguments are labeled here arent they?
All the solutions are like that; the example test cases are 'just to get you started'. They aren't actual test cases.
Can anyone explain why while this solution pass the test suit, times out the example?