Posts

All the articles I've posted.

• LeetCode 139 Word Break

  8 May, 2026

  Solutions for LeetCode 139, medium, tags: dynamic programming, hash table, string, trie, memoization.

• LeetCode 11 Container With Most Water

  7 May, 2026

  Solutions for LeetCode 11, medium, tags: array, two pointers, greedy.

• LeetCode 84 Largest Rectangle in Histogram

  7 May, 2026

  Solutions for LeetCode 84, hard, tags: array, stack, monotonic stack.

• LeetCode 22 Generate Parentheses

  3 May, 2026

  Solutions for LeetCode 22, medium, tags: string, dynamic programming, backtracking.

• System Design - How Git Internals Work

  2 May, 2026

  How Git works under the hood: the four object types (blob, tree, commit, tag), content-addressable storage, refs and branches, the staging area (index), packfiles and delta compression, and merge strategies — with ASCII diagrams and source code walkthrough from the git/git repository.

• LeetCode 207 Course Schedule

  2 May, 2026

  Solutions for LeetCode 207, medium, tags: depth-first search, breadth-first search, graph, topological sort.