摘要： 题目：Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index.Accordi... 阅读全文

摘要： 题目：Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index.Accordi... 阅读全文

摘要： 题目：You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the qualit... 阅读全文

摘要： 题目：Given a string that contains only digits 0-9 and a target value, return all possibilities to add binary operators (not unary) +, -, or * between th... 阅读全文

摘要： 题目：Remove the minimum number of invalid parentheses in order to make the input string valid. Return all possible results.Note: The input string may co... 阅读全文

摘要： 题目：Given an Iterator class interface with methods: next() and hasNext(), design and implement a PeekingIterator that support the peek() operation -- i... 阅读全文

摘要： 题目：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.For example, g... 阅读全文

摘要： 题目：Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exis... 阅读全文

摘要： 题目：According to the Wikipedia's article: "The Game of Life, also known simply as Life, is a cellular automaton devised by the British mathematician Jo... 阅读全文

摘要： 题目：Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the ... 阅读全文