摘要：
Given a string s consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting of non-spa 阅读全文
摘要：
Given a sorted array of distinct integers and a target value, return the index if the target is found. If not, return the index where it would be if i 阅读全文
摘要：
> 题目描述太复杂, 意思就是移除数组中给定的元素 Given an integer array nums and an integer val, remove all occurrences of val in nums in-place. The order of the elements ma 阅读全文