5:43
Leetcode 1673. Find the Most Competitive Subsequence (dictionary monotonic stack)
21:30
Leetcode 425. Word Squares (Prefix Tree) (Trie)
29:30
Leetcode 28. Find the Index of the First Occurrence in a String (how to learn KMP)
10:37
Leetcode 611. Valid Triangle Number (Java)
16:56