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+# [307. Range Sum Query - Mutable](https://leetcode.com/problems/range-sum-query-mutable/)
+
+此题可以用树状数组和线段树解决，具体题解见我的博客：[Range Sum Query - Mutable (区间查询)](https://tangshusen.me/2019/11/17/range-sum-query-mutable/)