Data Structures & Algorithms

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Advanced Sorting: Working Within a Memory Budget

Choose a sorting strategy around memory limits, stable ordering, and input size, then combine sorted runs with a streaming Python merge.

Basic DSA Patterns: Building Blocks for Problem Solving

Learn reusable DSA patterns for swapping values, using binary search, and finding the first and last occurrence of a target.

Merge Sort — Top Down and Bottom Up for Arrays and Linked Lists

Learn merge sort from first principles: merge sorted ranges, compare top-down and bottom-up arrays, implement linked-list sorting, and analyze stability, time, and space.

Sorting Algorithms: Quick Sort — Practical Deep Dive

Learn how quick sort partitions arrays, follow a step-by-step example, compare recursive and iterative C# implementations, and explore versions in Python and Go.