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：
Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Example 2: Cla 阅读全文
摘要：
Given an array nums and a value val, remove all instances of that value in-place and return the new length. Do not allocate extra space for another ar 阅读全文
摘要：
Share Share Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length. Do not alloca 阅读全文