Review: Trie Tree Problems Posted on January 22, 2018October 4, 2019 by braindenny Trie tree is good at prefix-searching requirements. Key operations: insert, search, prefix, getHeight, etc. Continue reading “Review: Trie Tree Problems”
Leetcode: Maximum XOR of Two Numbers in an Array Posted on January 20, 2018September 23, 2019 by braindenny Maximum XOR of Two Numbers in an Array Continue reading “Leetcode: Maximum XOR of Two Numbers in an Array”
Leetcode: Replace Words Posted on January 19, 2018September 23, 2019 by braindenny Replace Words Continue reading “Leetcode: Replace Words”
Leetcode: Add and Search Word – Data structure design Posted on January 19, 2018September 23, 2019 by braindenny Add and Search Word – Data structure design Continue reading “Leetcode: Add and Search Word – Data structure design”
Leetcode: Implement Magic Dictionary Posted on January 19, 2018September 23, 2019 by braindenny Implement Magic Dictionary Continue reading “Leetcode: Implement Magic Dictionary”