摘要： Given an input string (s) and a pattern (p), implement wildcard pattern matching with support for '?' and '*'. The matching should cover the entire in 阅读全文

摘要： You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in sthat is a concat 阅读全文

摘要： You need to find the largest value in each row of a binary tree. Example: 基础中的基础，树的层次遍历/广度优先搜索。在搜索中存储每一行的最大值只不过是多加了两行代码。不应该是中等难度的题。 Java 阅读全文

摘要： A gene string can be represented by an 8-character long string, with choices from "A", "C", "G", "T". Suppose we need to investigate about a mutation 阅读全文

摘要： A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the 阅读全文

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

摘要： The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each hou 阅读全文

摘要： You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed. All houses at this place are ar 阅读全文

摘要： You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo 阅读全文

摘要： Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: E 阅读全文