Passed all tests in hackerrank

Passed local tests, but giving timeout in hackerrank

Optimized algorithm and passed all the tests

Added another solution, still giving timeout on the last tests

Removed input files

Added minimum swipes 2, but struggling again with time constraints

I got stucked, but I have to move on. I got the solution from hackerrank but definetely will get back to this later

Improved algorithm, passed technical tests but large tests timeout

Added new year chaos challenge, but will try to improve it

Deleted useless files

Added left rotation challenge

deleted useless file

Added 2DArrayDS

Added Repeated String challenge

Added counting valleys exercise