LeetCode 304. Range Sum Query 2D - Immutable
DescriptionGiven a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2, col2).Range Sum Query 2DThe above re....

[LeetCode] Count of Range Sum 区间和计数
Given an integer array nums, return the number of range sums that lie in [lower, upper] inclusive. Range sum S(i, j) is defined as the sum of the elements in nums be...
[LeetCode] Range Addition 范围相加
Assume you have an array of length n initialized with all 0's and are given k update operations. Each operation is represented as a triplet: [startIndex, endIndex, inc]&n...
[LeetCode] Search for a Range 搜索一个范围
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 O(log n). If the target is not fo...
[LeetCode] Bitwise AND of Numbers Range 数字范围位相与
Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive. For example, given the range [5, 7], you should return 4. Credits: Speci....
LeetCode:Search Insert Position,Search for a Range (二分查找,lower_bound,upper_bound)
Search Insert Position Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no dup....
leetCode 303. Range Sum Query - Immutable | Dynamic Programming
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...
[LeetCode] Range Addition II 范围相加之二
Given an m * n matrix M initialized with all 0's and several update operations. Operations are represented by a 2D array, and each operation is represented by an array with two pos...
[LeetCode] Smallest Range 最小的范围
You have k lists of sorted integers in ascending order. Find the smallest range that includes at least one number from each of the k lists. We define the range [a,b] is s...
[LeetCode]--34. Search for a Range
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 O(log n). If the target is not found in ...
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