文章 2016-10-16 来自:开发者社区

[LeetCode]--303. Range Sum Query - Immutable

Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Given nums = [-2, 0, 3, -5, 2, -1] sumRange(0, 2) -> 1 sumRange(2, 5) -> -1 sum...

文章 2016-06-29 来自:开发者社区

LeetCode 307 Range Sum Query - Mutable(范围和查询-可变)

版权声明:转载请联系本人,感谢配合!本站地址:http://blog.csdn.net/nomasp https://blog.csdn.net/NoMasp/article/details/51782135 翻译 给定一个整型数组nums,找出在索引i到j之间的元素的和(i <= j),包括i 和...

LeetCode 307 Range Sum Query - Mutable(范围和查询-可变)
文章 2016-03-01 来自:开发者社区

LeetCode - 34. Search for a Range

34. Search for a Range  Problem's Link  ---------------------------------------------------------------------------- Mean:  给定一个有序数组和一个数k,求k在这个数组中的起始下标和结束下标. analyse: 二分查找. ...

文章 2015-11-28 来自:开发者社区

LeetCode 34 Search for a Range(搜索范围)

翻译 给定一个整型已排序数组,找到一个给定值在其中的起点与终点。 你的算法复杂度必须低于O(logn)。 如果目标在数组中不会被发现,返回[-1, -1]。 例如,给定[5, 7, 7, 8, 8, 10],目标值为8,返回[3, 4]。 原文 Given a sorted array of integers, find the starting and ending ...

文章 2015-11-23 来自:开发者社区

[LeetCode] Range Sum Query - Mutable

This problem requires a new data structure --- Segment Tree. You may use this GeeksforGeeks article to get some ideas of it. However, the code in this article may be too verbose. To solve this proble....

文章 2015-11-12 来自:开发者社区

[LeetCode] Range Sum Query 2D - Immutable

Very similar to Range Sum Query - Immutable, but we now need to compute a 2d accunulated-sum. In fact, if you work in computer vision, you may know a name for such an array --- Integral Image. To sol....

文章 2015-08-15 来自:开发者社区

[LeetCode] Search for a Range

The idea is to search for the left and right boundaries of target via two binary searches. Well, some tricks may be needed. Take a look at this link :-) The code is rewritten as follows. 1 class So...

文章 2015-01-24 来自:开发者社区

[LeetCode]34.Search for a Range

【题目】 Given a sorted array of integers, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the order of&nbsp;O(log&nbsp;n). If the target is n...

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