题目描述：
Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive.
The update(i, val) function modifies nums by updating the element at index i to val.
Example:
Given nums ...
归档 2015年11月18日
[LeetCode]Range Sum Query - Mutable
[LeetCode]Additive Number
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题目描述：
Additive number is a positive integer whose digits can form additive sequence.
A valid additive sequence should contain at least three numbers. Except for the first two numbers, each subsequent number in the sequence must be the sum of ...