Posts

All the articles I've posted.

• LeetCode 97 Interleaving String

  27 Aug, 2026

  Solutions for LeetCode 97, medium, tags: string, dynamic programming.

• LeetCode 208 Implement Trie (Prefix Tree)

  25 Aug, 2026

  Solutions for LeetCode 208, medium, tags: hash table, string, design, trie, companies: pinterest.

• LeetCode 179 Largest Number

  25 Aug, 2026

  Solutions for LeetCode 179, medium, tags: array, string, greedy, sorting.

• System Design - How Serializable Snapshot Isolation (SSI) Works

  24 Aug, 2026

  How Serializable Snapshot Isolation (SSI) works: the theory behind detecting dangerous read-write conflicts in MVCC databases, how PostgreSQL implements it, and why it matters for correctness without sacrificing concurrency.

• LeetCode 1011 Capacity To Ship Packages Within D Days

  24 Aug, 2026

  Solutions for LeetCode 1011, medium, tags: array, binary search, greedy.

• LeetCode 85 Maximal Rectangle

  24 Aug, 2026

  Solutions for LeetCode 85, hard, tags: array, dynamic programming, stack, matrix, monotonic stack.