Problem Peaks
Standalone climbs for the skills you've learned. Each peak is a real problem with real tests - no rails, just your plan and the night sky.
Count the clouds tall enough to land on.
Total the raindrops in a nested list.
Sort the night sky by brightness.
Keep only the clouds you can see through.
Merge two breezes into one sorted gust.
Find the longest calm stretch between storms.
Classify sky safety based on visibility and weather.
Transform and filter an array of cloud objects.
Filter and format star entries using dictionary comprehensions.
Reduce an array of objects to accumulate a single value.
Calculate the density of a cloud sector.
Classify cloud layer based on altitude.
Calculate average star magnitude.
Define a class to track cloud height and growth.
Write a decorator that formats string return values.
Write a Python descriptor that enforces integer constraints.
Use arrow functions and template literals to format speed.
Transform elements using DOM properties and classList.
Write a Proxy handler that protects object properties.
Find the brightest star in a dictionary.
Repeat arithmetic updates in a loop.
Validate star properties using interfaces.
Narrow a union of flight speed values.
Implement a generic Box container.
Write a mapped type query parser.