coco_111的博客

344. Reverse String   Write a function that takes a string as input and returns the string reversed.Example:Given s = "hello", return "olleh".//把字符串进行翻转 利用i、j两个数进行标记下标public clas

328. Odd Even Linked ListGiven a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the value in the nodes

26.Remove Duplicates from Sorted ArrayGiven a sorted array, remove the duplicates in place such that each element appear only once and return the new length.Do not allocate extra space for a

343. Integer BreakGiven a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum product you can get.For e

341. Flatten Nested List IteratorGiven a nested list of integers, implement an iterator to flatten it.Each element is either an integer, or a list -- whose elements may also be integers or o

347. Top K Frequent ElementsGiven a non-empty array of integers, return the k most frequent elements.For example,Given [1,1,1,2,2,3] and k = 2, return [1,2].Note: You may assume