Problem Solving Weekly (Week 1)

The contest has ended. Enter to solve the archived challenges.

About

Please provide a short description of your contest here! This will also be used as metadata.

Hotstar Premium will be shared among top 3 after the end of this ongoing month (Cash Prizes has been changed due to low participation)
If participation will rise in the upcoming months prizes / gifts will also rise

The creator of this contest is solely responsible for setting and communicating the eligibility requirements associated with prizes awarded to participants, as well as for procurement and distribution of all prizes. The contest creator holds HackerRank harmless from and against any and all claims, losses, damages, costs, awards, settlements, orders, or fines.
Code directly from our platform, which supports over 30 languages. Learn more here.

Don't use the solutions from internet or by googling.
If your solutions will be matching from your friend or from any online source your marks will be considered 0 for that particular problem
There will be 5 problems available for you. You have to solve any one from first two problems and any two from theremaining problems.
If you will solve more than 3 problems best of them will be considered for the leaderboard.

Each challenge has a pre-determined score.
A participant’s score depends on the number of test cases a participant’s code submission successfully passes.
If a participant submits more than one solution per challenge, then the participant’s score will reflect the highest score achieved. In a game challenge, the participant's score will reflect the last code submission.
Participants are ranked by score. If two or more participants achieve the same score, then the tie is broken by the total time taken to submit the last solution resulting in a higher score