public class Find2 { public int[] dx={1,-1,0,0}; public int[] dy={0,0,1,-1}; class Trie{ Trie[] tries; String isEnd; public Trie(){ tries = new Trie[26]; } } public boolean[][] vis; //是否判断过 public List<String> res; //答案 public void insert(String wor…
Given a 2D board and a list of words from the dictionary, find all words in the board. Each word must be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same le…
Given a 2D board and a list of words from the dictionary, find all words in the board. Each word must be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same le…
