Lemonade Change
Simulate a lemonade stand and decide if you can provide change for each customer using only $5, $10, and $20 bills.
Gas Station Circuit
Given gas and cost arrays for a circular route, determine the starting gas station index that allows a full loop, or -1 if none exists.
Showing 1–2 of 2 challenges · Greedy Algorithms
Greedy Algorithms — Python coding challenges
What you will find here
This page lists greedy algorithms challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.