James Pan

原题网址：https://leetcode.com/problems/shortest-word-distance/Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list.For example,

原题网址：https://leetcode.com/problems/shortest-word-distance-ii/This is a follow up of Shortest Word Distance. The only difference is now you are given the list of words and your method will be c

原题网址：https://leetcode.com/problems/shortest-word-distance-iii/This is a follow up of Shortest Word Distance. The only difference is now word1 could be the same as word2.Given a list of wor

原题网址：https://leetcode.com/problems/word-ladder/Given two words (beginWord and endWord), and a dictionary's word list, find the length of shortest transformation sequence from beginWord to endWor

原题网址：https://leetcode.com/problems/best-meeting-point/A group of two or more people wants to meet and minimize the total travel distance. You are given a 2D grid of values 0 or 1, where each 1 m

原题网址：https://www.hackerrank.com/challenges/bfsshortreachGiven an undirected graph consisting of  nodes (labelled 1 to N) where a specific given node  represents the start position and

原题网址：https://leetcode.com/problems/shortest-distance-from-all-buildings/You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can only