Valid Parentheses | LeetCode | Solution Explained
LeetCode 20. Valid Parentheses. I explain a stack based solution in detail.
Daily Temperatures | LeetCode | Stack Solution Explained
ily Temperatures LeetCode becomes easier to solve with the knowledge of Next Greatest Element (NGE). I explain...
Next Greater Element I | Solution Explained + Stack Optimization
LeetCode 496. Next Greater Element I is a simple problem, since brute-force solution can get accepted. But, we...
Construct BST from Preorder Traversal | LeetCode | Solution Explained
1008. Construct Binary Search Tree – BST from Preorder Traversal is a question which relies upon understanding the...