[LeetCode] 320. Generalized Abbreviation 通用简写
Write a function to generate the generalized abbreviations of a word. Note: The order of the output does not matter. Example: 这道题让我们对一个单词 ...
原文：Leetcode: Generalized Abbreviation
这道题肯定是DFS Backtracking, 但是怎么DFS不好想，跟Leetcode: Remove Invalid Parentheses的backtracking很像。 Generalized Abbreviation这道题是当前这个字母要不要abbreviate，要或者不要两种选择，Parentheses那道题是当前括号要不要keep在StringBuffer里，要或不要同样是两种选择 ...
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