1 题目 Contains Duplicate I 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 if every element is distinct. 接口: public bo…

LeetCode面试常见100题( TOP 100 Liked Questions) 置顶 2018年07月16日 11:25:22 lanyu_01 阅读数 9704更多 分类专栏: 面试编程题真题合集 常见算法问题 LeetCode试题 LeetCode常见试题   版权声明:本文为博主原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明. 本文链接:https://blog.csdn.net/lanyu_01/article/details/81062232 这篇…

leetcode面试准备:Reverse Words in a String 1 题目 Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Update (2015-02-12): For C programmers: Try to solve it in-place in…

leetcode面试准备: Maximal Rectangle 1 题目 Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 接口: int maximalRectangle(char[][] matrix) 2 思路 这是一道非常综合的题目,要求在0-1矩阵中找出面积最大的全1矩阵.刚看到这道题会比较无从下手,b…

leetcode面试准备: Game of Life 1 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 John Horton Conway in 1970." Given a board with m by n cells, each c…

leetcode面试准备: Word Pattern 1 题目 Given a pattern and a string str, find if str follows the same pattern. Examples: pattern = "abba", str = "dog cat cat dog" should return true. pattern = "abba", str = "dog cat cat fish&qu…

leetcode面试准备:Add and Search Word - Data structure design 1 题目 Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(word) can search a literal word or a regular expression string containing on…

leetcode面试准备:Implement Trie (Prefix Tree) 1 题目 Implement a trie withinsert, search, and startsWith methods. Note: You may assume that all inputs are consist of lowercase letters a-z. 2 思路 该题是实现trie树. Trie,又称单词查找树或键树,是一种树形结构.典型应用是用于统计和排序大量的字符串(但不仅限于字符…

leetcode面试准备:Triangle 1 题目 Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. For example, given the following triangle [ [2], [3,4], [6,5,7], [4,1,8,3] ] The minimum path sum…

leetcode面试准备:Sliding Window Maximum 1 题目 Given an array nums, there is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the k numbers in the window. Each time the sliding window moves righ…