Posts

All the articles I've posted.

• LeetCode 763 Partition Labels

  25 May, 2026

  Solutions for LeetCode 763, medium, tags: hash table, two pointers, string, greedy.

• LeetCode 74 Search a 2D Matrix

  24 May, 2026

  Solutions for LeetCode 74, medium, tags: array, binary search, matrix.

• System Design - How Distributed Tracing Works

  24 May, 2026

  How distributed tracing works: trace/span model, context propagation, sampling strategies, and how systems like Jaeger, Zipkin, and OpenTelemetry implement end-to-end request tracking across microservices.

• LeetCode 853 Car Fleet

  24 May, 2026

  Solutions for LeetCode 853, medium, tags: array, sorting, monotonic stack.

• System Design - How CRDTs (Conflict-free Replicated Data Types) Work

  23 May, 2026

  How CRDTs enable conflict-free replication in distributed systems: state-based vs operation-based approaches, G-Counter, PN-Counter, LWW-Register, OR-Set, and real-world usage in collaborative editing, databases, and caches.

• LeetCode 435 Non-overlapping Intervals

  23 May, 2026

  Solutions for LeetCode 435, medium, tags: array, dynamic programming, greedy, sorting.