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.
That is very clever my good sir
Added
use std::collections::HashSet;
to the test module since it is needed for the provided solution.This comment is hidden because it contains spoiler information about the solution
Getting overflow in random cases if input range is bigger than 10^18. Any idea on how to fix this?
Pluto approves