力扣：https://leetcode-cn.com/Leetcode是一个专业的刷题网站，上面有很大大厂面试的真题，当然大家可以根据类别去刷题。牛客网：https://www.nowcoder.com/牛客网提供相当多企业面试题库，主要面向编程、管理、营销等各行各业的面式题，内容丰富。和鲸社区：https://www.heywhale.com/home一个数据
【leetcode】80. 删除排序数组中的重复项 II 给定一个排序数组,你需要在原地删除重复出现的元素,使得每个元素最多出现两次,返回移除后数组的新长度。不要使用额外的数组空间,你必须在原地修改输入数组并在使用O(1)额外空间的条件下完成。示例1: 解法二(更快更优): ...
df['step_var'] = df['step_id_2'] - df['step_id_1'] The previous step was necessary so we can exclude all the sessions that have only one step ID in the next step. That’s what the questions tell us to do. Here’s how to do it. df = df.loc[ df[df["step_var"] > 0...
24. Newest 'python' Questions – Stack Overflowhttps://stackoverflow.com/questions/tagged/pythonStac...
To help you practice Python and interviewing skills, I selected three Python coding interview questions. Two are fromStrataScratch, and are the type of questions that require using Python to solve a specific business problem. The third question is fromLeetCode, and tests how good you are at Pyt...
https://leetcode.com/explore/interview/card/top-interview-questions-easy/ CodingBat : https://codingbat.com/python GeeksForGeeks: https://www.geeksforgeeks.org/python-programming-language/?ref=leftbar 练习顶级的面试问题,这些网站通常会...
This question is available on both Leetcode (No. 270) and Lintcode (No. 901). The question is not too hard, if we do not chase the best time complexity. For example, we can traversal all the nodes and book-keep the closest … Read More » Interview Questions, LeetCode, Python Lea...
LeetCode Up to date (2016-12-18), there are 447 Algorithms / 13 Database / 4 Shell / 4 Draft questions on LeetCode Online Judge. The number of questions is increasing recently. Here is the classification of all 468 questions. For more questions and solutions, you can see my LintCode...
Now answer two questions: how many lines have at least one character fromS, and what is the width used by the last such line? Return your answer as an integer list of length 2. Example : Input: widths = [10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,...
I have a few of questions: Assuming my config ...Set Iterator & NullPointerException Greetings! I have an issue here that i can't find. I am getting a NullPointerException at sets.put( nodes_iter.next(), null ); in the end of my DisjSet class code. I just started making key...