Master the 0-1 Knapsack problem with clean DP semantics and understand why backwards iteration is required in space-optimized solutions. Learn the snapshot mental model that transfers to other DP problems.
2 min read
Read article →Technical Blog
Deep dives into web development, AI engineering, and modern programming practices. From React patterns to building intelligent applications with LLMs.
65 articles published33 topics covered
Master LeetCode problem 96 using dynamic programming to count unique BST structures. Learn the elegant divide-and-conquer approach, understand Catalan numbers, and see how fixing the root node reveals recursive substructure in this classic combinatorial problem.
2 min read
Read article →Master Sudoku solving with JavaScript using backtracking and the MRV heuristic. Learn constraint satisfaction problem techniques with interactive visualization to see the algorithm in action.
1 min read
Read article →Master LeetCode 968: Binary Tree Cameras with a clear bottom-up strategy. Learn the state-based approach, interview-ready code, and step-by-step walkthroughs that ensure you understand both intuition and implementation.
2 min read
Read article →Discover how a single character difference in duplicate-skipping logic can silently break your Four Sum solution. Learn why j > 1 fails across different loop iterations and how j > i + 1 ensures all valid quadruplets are found through real debugging examples.
2 min read
Read article →Popular Topics
Blog Stats
65
Total Posts
33
Topics
6
Years Writing