摘要： 题目描述： Given a sorted array nums, remove the duplicates in-place such that duplicates appeared at most twice and return the new length. Do not allocate 阅读全文

摘要： 题目描述： Given an array nums and a value val, remove all instances of that value in-placeand return the new length. Do not allocate extra space for anoth 阅读全文

摘要： 题目描述： Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length. Do not allocate ext 阅读全文

摘要： 题目描述： Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. 实现思路： 定义区间 阅读全文