Posts

All the articles I've posted.

• LeetCode 239 Sliding Window Maximum

  31 May, 2026

  Solutions for LeetCode 239, hard, tags: array, queue, sliding window, heap, monotonic queue.

• LeetCode 78 Subsets

  30 May, 2026

  Solutions for LeetCode 78, medium, tags: array, backtracking, bit manipulation.

• LeetCode 647 Palindromic Substrings

  30 May, 2026

  Solutions for LeetCode 647, medium, tags: string, dynamic programming, two pointers.

• System Design - How eBPF Works

  30 May, 2026

  How eBPF works in the Linux kernel: architecture, program types, the verifier, JIT compilation, maps for state sharing, helper functions, and real-world use cases in observability, networking, and security.

• LeetCode 199 Binary Tree Right Side View

  29 May, 2026

  Solutions for LeetCode 199, medium, tags: tree, depth-first search, breadth-first search, binary tree.

• LeetCode 417 Pacific Atlantic Water Flow

  29 May, 2026

  Solutions for LeetCode 417, medium, tags: array, depth-first search, breadth-first search, matrix.