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代码随想录-字符串-3. 替换数字 修正语句错误 #2914

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2 changes: 1 addition & 1 deletion problems/kamacoder/0054.替换数字.md
Original file line number Diff line number Diff line change
@@ -39,7 +39,7 @@

从前向后填充就是O(n^2)的算法了,因为每次添加元素都要将添加元素之后的所有元素整体向后移动。

**其实很多数组填充类的问题,其做法都是先预先给数组扩容带填充后的大小,然后在从后向前进行操作。**
**其实很多数组填充类的问题,其做法都是先预先给数组扩容到填充后的大小,然后在从后向前进行操作。**

这么做有两个好处: