摘要：
Given an array, rotate the array to the right by k steps, where k is non-negative. Follow up: Try to come up as many solutions as you can, there are a 阅读全文
摘要：
Given the head of a linked list, rotate the list to the right by k places. Example 1: Input: head = [1,2,3,4,5], k = 2 Output: [4,5,1,2,3] Example 2: 阅读全文
摘要：
Given the head of a singly linked list, group all the nodes with odd indices together followed by the nodes with even indices, and return the reordere 阅读全文
摘要：
Write an efficient algorithm that searches for a target value in an m x n integer matrix. The matrix has the following properties: Integers in each ro 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 f 阅读全文
摘要：
There is an integer array nums sorted in non-decreasing order (not necessarily with distinct values). Before being passed to your function, nums is ro 阅读全文