滚动数组的用法 - Localhost8080 - C++博客



滚动数组的用法 - Localhost8080 - C++博客

利用在数组长度N很大的情况下能达到压缩存储的作用。一般还是用在DP题目中，因为DP题目是一个自下而上的扩展过程，我们常常用到是连续的解，而每次用到的只是解集中的最后几个解，所以以滚动数组形式能大大减少内存开支。

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