"Merge Intervals" is one of those classic algorithm problems that shows up frequently in technical interviews. It's a great test of your...

"Assign Cookies" is a problem that is a simple yet elegant introduction to greedy algorithms. It asks us to match two lists - one representing the greed of children and the other representing cookie sizes - in a way that maximizes happiness. It’s a great warm-up to practice sorting and thinking about matching strategies in real-world-like scenarios.

Finding the most frequent items in a dataset is a common real-world task—think trending topics in social media, most visited pages on a...

Sorting is a fundamental topic in computer science and a common subject in technical coding interviews. Whether you're a new engineer...