Weekly Challenges

Solve the challenge, share your solution and summit the ranks of our Community!

Also available in | Français | Português | Español | 日本語

Want to get involved? We're always looking for ideas and content for Weekly Challenges.

Solution attached.

What an amazing challenge!!

Fun challenge!

I thought of two ways to do it.

Always read the small print!

This was fun! As someone previously mentioned, the devil is in the details on this one.

Join on date or count distinct cranes? I think Join should be faster

Solved.

Challenge #192: Crane Leasing