Leetcode


[Leetcode] Word Ladder II

Given two words (start and end), and a dictionary, find all shortest transformation sequence(s) from start to end, such that: Only one letter can be changed at a time Each intermediate word must exist in the dictionary For example, Given: start = “hit” end = “cog” dict = [“hot”,”dot”,”dog”,”lot”,”log”] Return […]


[Leetcode] Word Ladder

Given two words (beginWord and endWord), and a dictionary, find the length of shortest transformation sequence from beginWord to endWord, such that: Only one letter can be changed at a time Each intermediate word must exist in the dictionary For example, Given: start = “hit” end = “cog” dict = […]