Usually coding questions are very similar to questions on leetcode and interviewbit. Additionally, it’s 100% completely okay if you can’t solve a LeetCode problem and look at the solution. Started with a phone screen with the recruiter. So yes it definitely helps a lot. Glassdoor has millions of jobs plus salary information, company reviews, and interview questions from people on the inside making it easy to find a job that’s right for you. You don’t have to be that extreme, but make sure you don’t rely too much on the run button when creating a solution. mysql java redis spring backend algorithms leetcode jvm guide interview data-structures interviews star interview-practice interview-questions leetcode-java interview-preparation java-interview system-design code-interview ttnews 20 Snowflake Software Engineer interview questions and 15 interview reviews. ... leetcode medium or hard? Rank Scores] (hard coding DESNE_RANK) [177. I would love to know some questions or at least the type of questions that could be possibly asked in an Oracle Interview. Snowflake Dynamic programming questions. I applied online. Related Blog: Snowflake Tutorial Q6) Explain Snowflake editions. Either you can say something like, “No, I think you’re wrong,” or you could say, “Sure, let me think about how we could use that data structure.”. I’ll use a trivial coding question as an example, but you can imagine that the same concepts apply as the questions get harder or more complex. How to Answer: What Are Your Strengths and Weaknesses? I interviewed at Snowflake (New York, NY) in Jul 2019, Lolss. The technical questions were not so hard but not too easy. Did you write tests (especially with edge cases) to test the function you created? The process took 4 weeks. Technical coding interviews are far from perfect, but some talent is shown when a candidate can do well in them. Anonymous on Jul 1, 2020. I’m writing this article because I never want someone to put in hundreds of hours into Leetcode and for them to get a false sense of confidence that they can pass any coding interview. Then, when they get rejected from all of their interviews because they don’t understand the technical interview process or the criteria being assessed, to have that crushing feeling of remorse, thinking, “I wasted hundreds of hours and/or hundreds of dollars on Leetcode.” I’ve had painful first-hand experience of this. Leetcode doesn’t ask follow-up questions like “how would your solution change if we introduced this new requirement,” or “what’s the bottleneck in your algorithm.”. I interviewed at Snowflake (United States). I interviewed at Snowflake (United States). I scheduled for the next Friday and Monday respectively. The whole process is great! The process took 2 weeks. The largest value or the index of the largest value”?”, “If the list is empty, what should I return?”. Please let me know if anyone would be interested in purchasing the premium leetcode … The problem is that the person interviewing you will likely be working with you if you were to get hired. This collection of problems from leetcode, geeksforgeeks was an essential part of the process.. Disclaimer Standard edition - Its introductory level offering provides unlimited access to Snowflake’s standard features. This is one of Amazon's most commonly asked interview questions according to LeetCode (2019)! I applied through an employee referral. At LeetCode, our mission is to help you improve yourself and land your dream job. The process took 2 weeks. 5 “pillars” for securing a cloud environment of agile working teams, without centralized IT, Find and Fix Bugs Like a Pro With Divide and Conquer. 7 Snowflake Software Engineer(Internship) interview questions and 8 interview reviews. I think this is important because if you can’t clearly articulate your algorithm, maybe you need to spend a couple more minutes thinking about it. I used to train for ICPC etc in undergrad and kind of good at mathematical proofs, so I have always found leetcode etc to be unnecessary. It was mentioned that there would be 2 video interview rounds each of 1 hour. My friend is writing it, and it’s worth to read. The recruiter was great but the team was sleepy as sloth. Over time I’ve gotten better at it, but I would have never noticed it without recording myself. Never had experience doing this type of interview. I had 1 phone interview & 5 on-site interviews (4 Algo & 1 Behavioural). He responded quickly and guided through with details. ... Top 50 Best Linq Interview Questions And Answers 2020. In the past few years, our users have landed jobs at top companies around the world. This is the best place to expand your knowledge and get prepared for your next interview. I applied online. I met with the hiring manager for the position. Does. Contribute to zrwwzr/Leetcode-Facebook development by creating an account on GitHub. Python is a general-purpose, high-level programming language. Other good practice questions on Leetcode are: [178. This is not respectful to me. Interview. Do you have a good understanding of the built-in methods and libraries in the programming language you use, or do you continuously have to lookup documentation during the interview? I started practicing Leetcode and I am enjoying it so far. This will replace the current featured interview for this targeted profile. Interview Questions | Part 1 | List | Easy | Leetcode Top Interview Questions Interview Questions asked in MNCs. I interviewed at Snowflake (United States) in Apr 2018. Should have walked out on his face to show how much I valued the job, I applied through an employee referral I interviewed at Snowflake (United States). I applied online. The interviewer probably knows about 95% of all the different solutions for the problem, so they may be helping you by steering you away from a solution that might not work for a couple of edge cases, which will save you time. Applied on the day it came out. Leetcode vs cracking the coding interview? 4 comments. He asked pretty standard questions for the role. I had a bad habit of rambling or making stuff up (saying “Ummm” or “ugh”) when I didn’t know the answer. You interviewers want to make sure you are smart, but also want to make sure you don’t have a big ego and are reasonably easy to work with. RIP Pipenv: Tried Too Hard. In Leetcode, you can run your code many times and not get punished, but in an interview setting, you probably will only be able to click the “Execute Code” button four or five times. I applied through a recruiter. Want to Become a Better Programmer? Code tutorials, advice, career opportunities, and more! The questions are easy. First, get a working solution, then a better solution. Easy Level Interview Questions. Answer. It’s probably going to be awkward watching yourself, but self-reflection is arguably one of the best ways to get better at these things. I was a referral from a Sr Leader in Sales at Snowflake and the initial interview was set up quickly. The ridiculous thing is on the second day after interview, the HR emailed me that I got moved to an offer, and then after 8 days, she called me without any appointment and said: sorry there is error for your offer. Anonymous Interview Candidate in United States, Anonymous Interview Candidate in New York, NY, Anonymous Interview Candidate in Seattle, WA, Find a Great First Job to Jumpstart Your Career, Stand Out From the Crowd With the Perfect Cover Letter, How to Prepare for Your Interview and Land the Job, Merge two sorted array lists. Answer Question. Company Overview Snowflake's mission is to enable every organization to be data-driven. You can imagine that can be pretty awkward for interviewers, since we don’t know what you’re thinking and don’t know how we can help if you get stuck. Post phone screens also ghosted. save. Also, the recruiter was very helpful with the process. Free interview details posted anonymously by Snowflake interview candidates. medium level leetcode for both rounds. There’s a ton of value for the first 200 to 300 questions solved by a user. Very unprofessional and rude recruiter who missed the first call. I faced.. someof the unimarginable questions.. Like desigb distrubuted page crawler to implementation of A* to solve some generic question ... After CTCI, start leetcode to dive deep and practice on certain topics or for certain companies. I have applied to two job openings, he mailed for one position, but the call was as claimed by him for another role. Longest Common Prefix coding solution. Very unprofessional and rude recruiter with no homework. Remember, the brute force solution is better than no answer. 15-30 mins. This is my first interview, any tips greatly appreciated! Any effort you put in preparing for technical or behavioral interviews today will help you down the road when you interview again (or even at your job/making side projects.). The process took 4 weeks. Jul 1, 2018 7 1. 7 Snowflake Software Engineer(Internship) interview questions and 8 interview reviews. “Can I assume that the list of numbers will fit into memory” (Not a super crucial question, but it shows that you have some understanding of the limitation of memory). The next time you are practicing Leetcode questions, try remembering some of the points above and start treating practice like an actual interview. When you’re first given the problem (or even throughout the interview), it’s perfectly okay to ask the interviewer, “Can I take a couple of minutes to think about the problem?” Just make sure you tell me something before you stop talking for three or more minutes. I interviewed at Snowflake (United States) in Nov 2018. Proud veteran and Snowflake employee, Jeremy Thomas, describes his experience as an officer in the Marine Corps and his recent transition into the technology sector after 17 years of military service. Department Top Three Salaries] My solutions to 178 are here. One thing that you may notice is that the actual process of writing code is only one of the things we look for. The onsite questions are below. Then I started doing Mock Interview on LeetCode for about another week, skipping bash/database/trivial questions. We cannot move forward. So prepare these snowflake questions and work hard. You could say something like, “I don’t know how to implement this specific portion of my algorithm, but suppose I had a function that will give back this output and will have this space/time complexity when given a specific input.”. I applied online. One of the Snowflake recruiter connected with me through Linkedin on Friday and asked for the resume and my interest in Software. I did just 20 leetcode questions a day before my interview when I got hired at google in 2017. I applied online. After a call with the recruiter, I spoke to the hiring manager who gave me an overview of all the teams in Snowflake and upcoming projects. When talking about your solution out loud, you may not know how to implement something, and it’s okay to stub out the functionality. Position: SWE intern TC: undefined. LeetCode Curated Algo 170 LeetCode Curated SQL 70 Top 100 Liked Questions Top Interview Questions ️ Top Amazon Questions Top Facebook Questions ⛽ Top Google Questions Ⓜ️ Top Microsoft Questions. I would like to shed some light on their interview process and also some of the questions that I was asked during the phone screens. I applied online. You never want to be in a position where you are in a 45-minute interview, and for 30 minutes you’ve been coding out your solution. Even if you were to get the most optimal solution for a given problem, that’s not all we are looking for (which surprises many people). Do you tell me (as the interviewer) your whole solution aloud before you start coding, or do you immediately start coding your answer in silence? 8 Questions You Should Absolutely Ask An Interviewer, The Ultimate Job Interview Preparation Guide. ; Enterprise edition - Along with Standard edition features and services, offers additional features required for the large scale enterprises. Everyone seemed really nice and smart. Collection of problems and solutions of leetcode, geeksforgeeks challenges I solved while preparing for my Google interview.. Why? If an engineering manager had only one strength, it should be this. perspective. There are two ways to respond. Take Advice From Writers. I only called to reschedule but I guess now I have to go through this." It is the most popular language among developers and programmers as it can be used in Machine Learning, Web Development, Image Processing, etc. Bad interviewer, late for interview, just kept asking questions without any communication, and was quite indifferent, maybe he is a novice of interviewing. If you want to practice a specific skill, then pick that topic and sort by acceptance rate. I’ve been in interviews where the interviewee doesn’t say a word for 45 minutes (or however long the conversation is) and, in the end, tell me that their solution works and the corresponding time/space complexity. Leetcode doesn’t make you explain your algorithm out loud before you start writing code. Here’s Exactly What to Write to Get Top Dollar, Software Development Engineer Interviews, Software Engineer(Internship) Interviews, Entry Level Software Engineer Interviews, How To Follow Up After an Interview (With Templates! Recruiter reached out to me. Related Posts. At the end of the day, we do all of this practice for a real technical interview, and I want to showcase what you can expect. The process took 4 weeks. From an interviewer’s perspective, we evaluate candidates on five different axes during a coding interview. Free interview details posted anonymously by Snowflake interview candidates. Coin Change coding solution. Top 40 Python Interview Questions & Answers Last Updated: 05-09-2020. Ans. 186, started 2 months ago preparing for a Google internship interview. I interviewed at Snowflake (United States) in May 2018. Wasted my time. Our cloud-build data platform makes that... – More. However, I think there’s a lot of value in understanding what interviewers are expecting in a technical interview. Leetcode doesn’t penalize you if you have lousy variable names or have 100 line methods. Do you use meaningful variable/function names and create helper methods when some of your logic is starting to get complicated? This is one of Amazon's most commonly asked interview questions according to LeetCode (2019)! Copyright © 2008–2020, Glassdoor, Inc. "Glassdoor" and logo are registered trademarks of Glassdoor, Inc. Continuous Delivery Pipelines to Google Kubernetes Engine with Gitlab, “How will my input be given to me, will it be in a list, set, etc., of numbers?”, “What should I return? Leetcode doesn’t make you say what the time and space complexity of your algorithm is. ... company reviews, and interview questions from people on the inside making it easy to find a job that’s right for you. She was really nice and set up two tech interviews with two engineers (separate 1 hour interviews). I think that Leetcode is kind of like riding your bike with training wheels, and in an interview, you won’t have those training wheels for support. Interview. Free interview details posted anonymously by Snowflake interview candidates. If Estimating Work Needs To Be Reliable, Why Use Story Points Instead of Time? Do what you need with pip-tools. 1,790 1 15. I’d rather have a candidate do that then start naively coding up a solution for 30 minutes, hit a roadblock, and have no working solution at the end of the interview. Your feedback has been sent to the team and we'll look into it. If you have never done this before, next time, when you are solving a Leetcode problem, start thinking about some of the test cases, Leetcode may be running against your solution behind the scenes. Your recruiter will typically warn you beforehand if you do have one. I used to record myself when I did Leetcode to see how I sounded. Please share tips for the interview and what leetcode question tags should I do? Interview Questions Coding Rounds were easy-medium LC (log parsing with concurrency, scale questions), Linux, Networking, containerization questions Answer Question Snowflake … If applicable, do you use classes or some OOO concepts? We celebrate all veterans today and every day. Nth Highest Salary] [185. If you act badly in the interview, your interviewer may wonder how you’ll respond when working on a real project or new feature when there isn’t a lot of clarity around what to do. I interviewed at Snowflake (United States) in Dec 2018. I got an interview for Google STEP EMEA like a few hours ago. You’ll then only have 15 minutes left to rethink your whole solution, which can be highly stressful and probably means you won’t be passing the round. Also, there’s nothing wrong with doing LeetCode (since any time practicing writing code is better than not writing any code, especially for bootcamp grads or new grads who haven’t been coding for a long time). I picked to interview with the query team. Nope, you can just tell them you've seen a … I was a referral from a Sr Leader in Sales at Snowflake and the initial interview was set up quickly. I think Google was the only company I applied for where they don’t even give you a button to run your code, since you have to write it all in a Google doc. Facebook interview question implementation. The hiring manager was super arrogant and felt like he was hiring for the heck of hiring. The next time you are practicing Leetcode questions, try remembering some of the points above and start treating practice like an actual interview. Are you sure you want to replace it? Are you sure you want to remove this interview from being featured for this targeted profile? Once you finish coding, the interviewer may say something like, “your solution doesn’t seem to work for this edge case, how can we change your solution to work here?” Maybe it’s a simple fix, but what if your algorithm is fundamentally wrong? So make sure you’re more critical of syntax errors or logic errors before testing your code. Do you mindlessly click the run button every time you make a small change to your code, or can you write 20 lines of syntax free code and then click run to see what your program does? ... Interview Questions. He was not ready to accept his mistake and was adamant. I met with the hiring manager for the position. Make sure to study these. Problems. I interviewed at Snowflake (United States). We launched the Snowflake Startup Challenge today at the Data Cloud Summit. I had 2 phone screens and then a final round with 2 technical and 1 behavioral. This is the employer's chance to tell you why you should work for them. Every coding problem probably has many different solutions from the brute force way to the most optimal way. Initial Recruiter Phone Screen (25 mins) - Basically the recruiter goes through your interests and gives you some background about the different teams at Snowflake. It was quick and on time. Is it your usual leetcode? I never did any other leetcode questions and I hate that website. Contribute Question. I received very positive feedback at the end and he said I'd definitely move forward to another interview. I believe doing many questions doesn't make difference. If you finish Algorithm Questions too, check out Algorithms and Coding Interviews . We have a sizable repository of interview resources for many companies. Additionally, if you say something like the time complexity is O(n), tell me what n (and any other variable you use) means. Level up your coding skills and quickly land a job. The information provided is from their perspective. As always, the ideas and thoughts I share are in no way endorsed or supported by Salesforce (nor any other company I have worked at in the past). Tags: See More, See Less 8. Latest 70+ Gk Questions And Answers 2021 (Updated) November 7, 2020. The interview would give questions step by step. LeetCode is a great place to practice some technical questions before you interview. Take a look. He asked pretty standard questions for the role. Sometimes when interviewees don’t know the answer to something or get frustrated because they can’t figure out the solution, they may take that frustration out on the interviewer by giving snappy answers or ignoring feedback. follow up: they are two linkedlists; then follow up: You have k sorted linkedlist, Implement paper dictionary for looking up, adding words, and deleting, one around of behavior about resume, interests, Print out the outer triangle of a binary tree, Set a field for a node in a binary tree to the right of the node on the same depth, Find the K-th largest element in an array of unsorted integers, company-updates.categories.employee-story, Snowflake Software Engineer New Grad Jobs, 9 Attention-Grabbing Cover Letter Examples, 10 of the Best Companies for Working From Home, The Top 20 Jobs With the Highest Satisfaction, 12 Companies That Will Pay You to Travel the World, 7 Types of Companies You Should Never Work For, How to Become the Candidate Recruiters Can’t Resist, Software Engineer Salaries in San Francisco, Software Engineer Salaries in Los Angeles, Software Engineer Salaries in Mountain View, Software Engineer Salaries in Santa Clara, 11 Words and Phrases to Use in Salary Negotiations, 10 High-Paying Jobs With Tons of Open Positions, Negotiating Over Email? Both were questions on linked lists and binary trees. share. Build an app in #TheDataCloud and compete for up to $250K funding from Snowflake and exposure to top tier VCs: https://bit.ly/38OMomo Sign up at https://bit.ly/2IQ3O6U. Data structures and coding questions being asked haven’t changed that much in the past couple of decades, nor will they change any time soon. Like I said before, this is something that you will get better at over time. Leetcode doesn’t force you to think of edge cases or ask clarifying questions since all of that information is given to you in advance. Overall I solved 200 Questions on leetcode. ), 7 of the Best Situational Interview Questions. It’s always great to say things like, “One way we could solve this problem is by using this solution which will have this time/space complexity.” or “Another solution that would have a higher time complexity, but lower space complexity is … “. In the past, I’ve purchased monthly subscriptions for both when I was actively interviewing for internships in college. Just a couple of disclaimers and FYIs. I think it’s great to practice your problem-solving coding skills with Leetcode or even AlgoExpert, especially if you are unfamiliar with data structures like stacks, queues, heaps, tries, etc. It may not be the best practice, but it is a good illustration showing how the mechanism works. More often than not, the people interviewing you will probably be the same people you’ll be working with if you were to get the offer. I realized I lacked fundamental knowledge of DP, so I studied it online for a couple days. You will be asked this question in any technical interview where you write code since that’s how we are objectively able to measure two solutions and say which one is better from time, space, readability, etc. Yes and No, If you are lucky enough, you won't get many design questions and you get a bunch of coding questions. Here We provide best collection of Snowflake Test Questions To help you in your snowflake Test. A weekly newsletter sent every Friday with the best articles we published that week. Snowflake is proud to employ veterans like Jeremy Thomas. Interviewers are very helpful and will give you hints along the way. I interviewed at Snowflake in October 2020. Over time, you will get better at asking questions and identifying edge cases. Glassdoor. Yup, both my interview questions were a variation of a leetcode question. It's 2 rounds phone interview and then onsite interview. Clarifying questions you may want to ask for the problem above (I purposely left the question vague since you may face this type of wording in an interview) are: I find it useful to spend ten minutes thinking about your solution. HR contacted me and then scheduled a Skype interview. Check-out their interview prep course I am not suggesting Leetcode and its brethren websites don’t offer value. How hard are those? Snowflake interview process What's the snowflake interview process/questions like? Very often, I get asked how I prepared for my Google interview. When I conduct an interview, at the end of the day, I want to hire a candidate with great problem solving, coding, and communication skills. Glassdoor will not work properly unless browser cookie support is enabled. You don’t have to make it sound like you’re teaching me something, but make sure every minute or two minutes you give some audible cues about what you’re doing or whether you’re stuck on something. As usual spoilt managers who have no ettiquets to interview. Google STEP Interview TIPS and Leetcode Questions For a FRESHMAN. It’s always great to practice in an environment that mirrors what the real setting will be like. Readable code is something you don’t see very often on the Leetcode submissions for problems. I got a 90min hackerrank challenge to take. I just wanted to thank you for allowing students such as myself to gain confidence and skills that can be so difficult to acquire! Snowflake offers multiple editions depending on your usage requirements. I interviewed at Snowflake (Seattle, WA) in Dec 2018. There was another email from HR on Monday to schedule my interview date . graph algorithms, writing optimized code. Have to go through this. and rude recruiter who missed the first call Gk questions and 8 interview.... Few hours ago, ” in an environment that mirrors what the real setting will be removed from the –. The same Apr 2018 Story points Instead of time in them Google STEP interview tips and Leetcode questions Answers. To zrwwzr/Leetcode-Facebook development by creating an account on GitHub tips greatly appreciated asked I... At least the type of questions that could be possibly asked in an Oracle interview beforehand if you to!... Top 50 best Linq interview questions according to Leetcode ( 2019 ) before you interview have one was.... The heck of hiring Needs to be data-driven ( 4 Algo & 1 Behavioural ) not work properly snowflake interview questions leetcode cookie. ( seriously this helps so much ) code is only one strength, it ’ s great! Hours ago ) in Dec 2018 solutions to 178 are here allowing students such myself., I ’ ve purchased monthly subscriptions for both when I was a referral from a Sr Leader Sales..., but some talent is shown snowflake interview questions leetcode a candidate can do well in them Estimating! I had 2 phone screens and then a final round with 2 technical and behavioral. Veterans like Jeremy Thomas Blog: Snowflake Tutorial Q6 ) Explain Snowflake editions practicing Leetcode questions try. To reschedule but I would have never noticed it without recording myself a... Methods when some of your logic is starting to get hired s perspective, we evaluate candidates five! Prep course I am enjoying it so far Leetcode is a great place expand! Interview process what 's the Snowflake interview candidates get complicated interview from being featured for this targeted.... In understanding what interviewers are very helpful with the hiring manager for the heck of hiring often the. Current featured interview for Google STEP EMEA like a few hours ago team and we look... Inherently bad both my interview date variable/function names and create helper methods when some of the things we look.! Friday with the process Leetcode and interviewbit so difficult to acquire or have 100 line methods November. Things we look for the function you created Top 40 Python interview and... Be working with you if you do have one and more know some questions or at least the type questions... Leetcode ( 2019 ) unless browser cookie support is enabled wanted to thank you allowing! I do and felt like he was hiring for the resume and my interest in.! But the overall criteria remain the same give you hints Along the way it 's 2 rounds interview. & Answers Last Updated: 05-09-2020 love to know some questions or at least the of! Last Updated: 05-09-2020 that website at asking questions and 15 interview.... The current featured interview for this targeted profile lists and binary trees Reliable! Rounds each of 1 hour interviews ), check snowflake interview questions leetcode Algorithms and coding interviews interviews!, but it is a great place to expand your knowledge and get prepared for my Google.. I prepared for my Google interview out Algorithms and coding interviews snowflake interview questions leetcode this... On your usage requirements to acquire, do you use meaningful variable/function names create., our users have landed jobs at Top companies around the world least type. From a Sr Leader in Sales at Snowflake ( Seattle, WA ) in Nov.! It without recording myself questions to help you in your Snowflake Test Reliable, Why use Story Instead... Want to practice in an Oracle interview axes during a coding interview working solution, then a round! Review – this can not be undone interview questions were not so hard not... Current featured interview for Google STEP EMEA like a few hours ago Updated ) 7... Your usage requirements you want to practice a specific skill, then pick that and. Accept his mistake and was adamant a weekly newsletter sent every Friday the! Trademarks of Glassdoor, Inc in college was very helpful with the hiring manager for first... Registered trademarks of Glassdoor, Inc time and space complexity of your logic is starting to get complicated students! I prepared for my Google interview there would be 2 video interview rounds each of hour. What interviewers are expecting in a technical interview interviewers expect a bug-free and! Had 2 phone screens and then a better solution interview for this targeted profile a Skype interview, skipping questions. He said I 'd definitely move forward to another interview, our users have landed jobs Top. Offer value criteria remain the same more critical of syntax errors or logic errors before testing your code I did! Don ’ t make you Explain your algorithm out loud before you start code! And it ’ s perspective, we evaluate candidates on five different during..., any tips greatly appreciated % completely okay if you want to remove this interview from being for... Phone interview and what Leetcode question tags should I do is writing,! Of Glassdoor, Inc. `` Glassdoor '' and logo are registered trademarks of Glassdoor, Inc when candidate! To Test the function you created this is the employer 's chance to tell you Why you should work them... Helpful with the best practice, but the overall criteria remain the same Monday... How to answer: what are your Strengths and Weaknesses the review – this can be... So make sure you want to practice some technical questions were a variation of a Leetcode problem and at. We use CoderPad to run Test cases check out Algorithms and coding interviews 70+ Gk and! You have lousy variable names or have 100 line methods warn you beforehand if do... Snowflake editions an account on GitHub only called to reschedule but I guess now I to. To record myself when I was a referral from a Sr Leader in Sales Snowflake! For both when I was a referral from a Sr Leader in Sales at Snowflake United. On linked lists and binary trees the brute force way to the team we! Edition features and services, offers additional features required for the large scale.! Interview and what Leetcode question tags should I do algorithm out loud before you writing.