algorithm

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Published: Jul 30, 2020 License: MIT Imports: 0 Imported by: 0

README

单词搜索

单词必须按照字母顺序,通过相邻的单元格内的字母构成,其中“相邻”单元格是那些水平相邻或垂直相邻的单元格。同一个单元格内的字母不允许被重复使用。

示例:

board =
[
  ['A','B','C','E'],
  ['S','F','C','S'],
  ['A','D','E','E']
]

给定 word = "ABCCED", 返回 true
给定 word = "SEE", 返回 true
给定 word = "ABCB", 返回 false
``` 

提示:

board 和 word 中只包含大写和小写英文字母。
1 <= board.length <= 200
1 <= board[i].length <= 200
1 <= word.length <= 10^3

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