[LeetCode] 320. Generalized Abbreviation 通用簡寫
Write a function to generate the generalized abbreviations of a word. Note: The order of the output does not matter. Example: 這道題讓我們對一個單詞 ...
原文：Leetcode: Generalized Abbreviation
這道題肯定是DFS Backtracking, 但是怎么DFS不好想，跟Leetcode: Remove Invalid Parentheses的backtracking很像。 Generalized Abbreviation這道題是當前這個字母要不要abbreviate，要或者不要兩種選擇，Parentheses那道題是當前括號要不要keep在StringBuffer里，要或不要同樣是兩種選擇 ...
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