摘要：Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target valu... 阅读全文

摘要：Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:Integers in each row are sorted fr... 阅读全文

摘要：Implement int sqrt(int x).Compute and return the square root of x.example:sqrt(3) = 1sqrt(4) = 2sqrt(5) = 2sqrt(10) = 3challenge:O(log(x))we start wit... 阅读全文

摘要：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 or... 阅读全文

摘要：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 ord... 阅读全文

摘要：Binary search is a famous question in algorithm. For a given sorted array (ascending order) and a target number, find the first index of this number i... 阅读全文