Lewisr

摘要： Contains Duplicate:Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false ... 阅读全文

摘要： Remove Element:Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed.... 阅读全文

摘要： Plus One: Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant d... 阅读全文