Secure the server hackerrank solution - Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

 
HackerRank Validating Email Addresses With a Filter problem solution. HackerRank Group (), Groups () & Groupdict () problem solution. HackerRank Reduce Function problem solution. HackerRank Re.findall () & Re.finditer () problem solution. HackerRank Re.star () & Re.end () problem solution.. Aalyriaandctgaandcdcaeyasoumtiymtu1ntcynja1nzuxmjyyotuygmvlogm0owmzywm5mdc1odq6y29tomvuolvtandusgaovvaw0ryjq9ca60sckzntmsrwoq

Top Competitors. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Order your output in descending order by the total number of challenges in which the hacker earned a full ... Here are the solution of HackerRank Exceptional Server in C++ Solution Join Telegram Group for Updates Click Here. 0 | Permalink. Load more conversations. Need Help?This Repository contains all the solutions of HackerRank various tracks. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. project-euler hackerrank programming-languages hacktoberfest hackerrank-python self-learning hackerrank-solutions hackerrank-java hackerrank-cpp practice-programming hackerrank-c hackerrank-sql ...Average PopulationEasySQL (Basic)Max Score: 10Success Rate: 99.60%. Solve Challenge.About Us. HackerRank is a technology hiring platform that is the standard for assessing developer skills for over 3,000+ companies around the world. By enabling tech recruiters and hiring managers to objectively evaluate talent at every stage of the recruiting process, HackerRank helps companies hire skilled developers and innovate faster!I tried to solve a Maximum Element task in Hackerrank: You have an empty sequence, and you will be given N queries. Each query is one of these three types: 1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N.case when Occupation="Singer" then Name end as Singer, case when Occupation="Actor" then Name end as Actor from OCCUPATIONS order by Name. ) Temp group by RowNumber; Disclaimer: The above Problem ( Occupations) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose.{"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ... Optiver hackerrank discussion. I recently applied for optiver new grad role and have an upcoming hackerrank discussion stage, I have no idea what to expect in this round (Apart from the hackerrank discussion). I have scored 💯 in the online hackerrank test and thereby think that the discussion would provide more time to discuss other concepts ...Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. - GitHub - qanhnn12/SQL-Hackerrank-Challenge-Solutions: Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server.Discussions. Sort 1336 Discussions, By: recency. Please Login in order to post a comment. nghialntfx20420. 17 hours ago. Try this query if you need a solution for this challenge: SELECT CEIL(AVG(Salary) - AVG(REPLACE(Salary, '0', ''))) FROM EMPLOYEES;HackerRank Sql Basic - Merit Rewards solutionhttps://www.hackerrank.comContest Leaderboard. SELECT hacker_id, name, SUM(max_score) total_score FROM ( SELECT h.hacker_id AS hacker_id, h.name AS name, s.challenge_id, MAX(s.score) AS max_score FROM hackers AS h INNER JOIN submissions AS s ON h.hacker_id = s.hacker_id GROUP BY h.hacker_id, h.name, s.challenge_id ) AS Student_challenges GROUP BY hacker_id, name HAVING ... Mar 26, 2023 · post written by: Ghanendra Yadav Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer.Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. Solution for exception server question from hackerrank.#exceptionalserverhackerranksolution #exceptionalserverhackerranksolutioninc++ #exceptionalserverhacke...Optiver hackerrank discussion. I recently applied for optiver new grad role and have an upcoming hackerrank discussion stage, I have no idea what to expect in this round (Apart from the hackerrank discussion). I have scored 💯 in the online hackerrank test and thereby think that the discussion would provide more time to discuss other concepts ...Jun 16, 2022 · Hackerrank SQL Solutions in MS SQL Server. These are the essential principles to grasp for understanding how SSL/TLS works: Secure communication begins with a TLS handshake, in which the two communicating parties open a secure connection and exchange the public key. During the TLS handshake, the two parties generate session keys, and the session keys encrypt and decrypt all ... Contest Leaderboard. SELECT hacker_id, name, SUM(max_score) total_score FROM ( SELECT h.hacker_id AS hacker_id, h.name AS name, s.challenge_id, MAX(s.score) AS max_score FROM hackers AS h INNER JOIN submissions AS s ON h.hacker_id = s.hacker_id GROUP BY h.hacker_id, h.name, s.challenge_id ) AS Student_challenges GROUP BY hacker_id, name HAVING ... This Repository contains all the solutions of HackerRank various tracks. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. project-euler hackerrank programming-languages hacktoberfest hackerrank-python self-learning hackerrank-solutions hackerrank-java hackerrank-cpp practice-programming hackerrank-c hackerrank-sql ...{"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ...MSSQL solution: with cte as ( select h.hacker_id,h.name,count (c.challenge_id) as totalc from hackers h inner join challenges c on h.hacker_id=c.hacker_id group by h.hacker_id,h.name ) -- Taking only hacker information who has maximum challenges select * from cte where totalc = (select max (totalc) from cte) -- Taking the hackers whose ...Jul 19, 2023 · Installing Survey Solutions. Download the Survey Solutions installer. Run SurveySolutions.exe. It will ask you for two parameters: install location and PostgreSQL connection parameters. For the install location – choose any or keep the default ( C:\Survey Solutions\) 📷 Survey Solutions location. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Below are my solutions to all Medium SQL challenges on HackerRank. 1) The PADS. Question¶ Solution¶ MySQL / MS SQL Server. Output ...Sep 5, 2023 · Hackerrank Coding Questions for Practice. Below you can find the Top 25 Hackerrank based coding questions with solutions for the Hackerrank Coding test. in this article we have collected the most asked and most important Hackerrank coding questions that you need to prepare to successfully crack Hackerrank coding round for companies like IBM, Goldman Sachs, Cisco, Mountblu, Cognizant, etc. Ask Question Asked 3 years ago Modified 1 year, 6 months ago Viewed 6k times 7 I'm solving a problem on HackerRank where I'm required to implement a simple stack. It's passing all the tests except for the last 4 where it fails due to surpassing the time constraint of 10s. These 4 failing tests are running 200,000 operations on the stack.These are the essential principles to grasp for understanding how SSL/TLS works: Secure communication begins with a TLS handshake, in which the two communicating parties open a secure connection and exchange the public key. During the TLS handshake, the two parties generate session keys, and the session keys encrypt and decrypt all ... Aug 17, 2018 · I tried to solve a Maximum Element task in Hackerrank: You have an empty sequence, and you will be given N queries. Each query is one of these three types: 1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N. I know I can use Else for Leaf but why is this wrong? **SELECT N, CASE WHEN P IS NULL THEN "Root" WHEN N IN (SELECT P FROM BST) THEN "Inner" WHEN N NOT IN (SELECT P FROM BST) THEN "Leaf" END AS Tree FROM BST;These are the essential principles to grasp for understanding how SSL/TLS works: Secure communication begins with a TLS handshake, in which the two communicating parties open a secure connection and exchange the public key. During the TLS handshake, the two parties generate session keys, and the session keys encrypt and decrypt all ...Jun 5, 2022 · Get FREE SQL Certification with HackerRank, pass in one attempt.All 5 Questions Solution: https://www.azhark.com/2022/06/05/hackerrank-sql-basic-certificatio... HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains. When a programmer submits a solution to a programming challenge, their submission is scored on the accuracy of their output. Jun 15, 2021 · Bandit. Bandit is an open-source tool written in Python that helps you analyze your Python code and find common security issues in it. It will be able to scan your Python code, spot the vulnerabilities and exploits such as the ones that were mentioned in the previous section. Bandit can be installed locally or inside your virtual environment ... Type of triangle problem of hackerrank SQl Advance select. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Output one of the following statements for each record in the table: Equilateral: It's a triangle with sides of equal length. Isosceles: It's a triangle with sides of equal length.Jul 26, 2023 · For information regarding the program timeline, eligibility, and program or registration process, you can reach out to IBM at [email protected]. On this page, we have compiled a list of preparation checklists, a short walkthrough video, and some commonly asked questions with their answers to give you a smooth test-taking experience.. MySQL. SELECT "There are a total of ", count (OCCUPATION), concat (lower (occupation),"s.") FROM OCCUPATIONS GROUP BY OCCUPATION ORDER BY count (OCCUPATION), OCCUPATION ASC. Disclaimer: The above Problem ( The PADS) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose.{"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/Advanced Join":{"items":[{"name":"15 Days of Learning SQL.sql","path":"SQL/Advanced Join/15 Days of Learning ...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.One more thing to add, don’t straight away look for the solutions, first try to solve the problems by yourself. If you find any difficulty after trying several times, then look for the solutions. Java HackerRank Solutions. Welcome to Java! – Hacker Rank Solution; Java Stdin and Stdout I – Hacker Rank Solution; Java If-Else – Hacker Rank ...For each test case, print a single line containing whichever message described in the Problem Statement above is appropriate. After all messages have been printed, the locked stub code in your editor prints the server load. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Jun 20, 2023 · Secure the Servers Hackerrank Solution Python . In this blog post, we will be discussing the Secure the Servers Hackerrank Solution Python. This is a basic level algorithm question and can be easily solved using python. The problem statement states that there are N servers in a network and M connections between them. {"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/3_Aggregation/07_The Blunder":{"items":[{"name":"The blunder.mysql","path":"SQL/3_Aggregation/07_The Blunder ...Jun 20, 2023 · Secure the Servers Hackerrank Solution Python . In this blog post, we will be discussing the Secure the Servers Hackerrank Solution Python. This is a basic level algorithm question and can be easily solved using python. The problem statement states that there are N servers in a network and M connections between them. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. I tried to solve a Maximum Element task in Hackerrank: You have an empty sequence, and you will be given N queries. Each query is one of these three types: 1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N.Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty. The rating for Alice's challenge is the triplet a = (a [0], a [1], a [2]), and the rating for Bob's challenge is the triplet b = (b [0], b [1], b ...This Repository contains all the solutions of HackerRank various tracks. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. project-euler hackerrank programming-languages hacktoberfest hackerrank-python self-learning hackerrank-solutions hackerrank-java hackerrank-cpp practice-programming hackerrank-c hackerrank-sql ...Feb 15, 2023 · In Cisco Hack to Secure Coding Challenge 2023, you will answer coding and multiple-choice questions. Here is a short video to walk you through the process of taking coding questions on the HackerRank platform. You can take a look at the article Answering Multiple-Choice Questions to understand how to solve MCQs on the HackerRank platform. HackerRank solutions on GitHub (please leave a star): https://github.com/IsaacAsante/HackerRankThis problem solving exercise teaches you how to deal with C++...GitHub - kg-0805/HackerRank-Solutions: This Repository ...order by l desc, c asc. limit 1; select city c, length (city) l. from station. order by l asc, c asc. limit 1; Disclaimer: The above Problem ( Weather Observation Station 5) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose. ← Previous Post. Top Competitors. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Order your output in descending order by the total number of challenges in which the hacker earned a full ... HackerRank Solutions. Over the course of the next few (actually many) days, I will be posting the solutions to previous Hacker Rank challenges. The page is a good start for people to solve these problems as the time constraints are rather forgiving. The majority of the solutions are in Python 2. Some are in C++, Rust and GoLang. Optiver hackerrank discussion. I recently applied for optiver new grad role and have an upcoming hackerrank discussion stage, I have no idea what to expect in this round (Apart from the hackerrank discussion). I have scored 💯 in the online hackerrank test and thereby think that the discussion would provide more time to discuss other concepts ...post written by: Ghanendra Yadav Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer.Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages.{"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ... MySQL. SELECT "There are a total of ", count (OCCUPATION), concat (lower (occupation),"s.") FROM OCCUPATIONS GROUP BY OCCUPATION ORDER BY count (OCCUPATION), OCCUPATION ASC. Disclaimer: The above Problem ( The PADS) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose.Jul 26, 2023 · For information regarding the program timeline, eligibility, and program or registration process, you can reach out to IBM at [email protected]. On this page, we have compiled a list of preparation checklists, a short walkthrough video, and some commonly asked questions with their answers to give you a smooth test-taking experience.. Aug 17, 2018 · I tried to solve a Maximum Element task in Hackerrank: You have an empty sequence, and you will be given N queries. Each query is one of these three types: 1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N. Self Balancing Tree. An AVL tree (Georgy Adelson-Velsky and Landis' tree, named after the inventors) is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any time they differ by more than one, rebalancing is done to restore this property.Below are my solutions to all Medium SQL challenges on HackerRank. 1) The PADS. Question¶ Solution¶ MySQL / MS SQL Server. Output ...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty. The rating for Alice's challenge is the triplet a = (a [0], a [1], a [2]), and the rating for Bob's challenge is the triplet b = (b [0], b [1], b ...{"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/Basic Select":{"items":[{"name":"Employee Names.sql","path":"SQL/Basic Select/Employee Names.sql ... As a first step, we can compute the maximum score achieved per hacker and challenge, so that we filter out any other submissions with lower scores. SELECT. h.hacker_id, h.name, s.challenge_id, MAX(score) max_score. FROM. hackers h INNER JOIN submissions s ON h.hacker_id = s.hacker_id. GROUP BY.Security FunctionsEasyProblem Solving (Basic)Max Score: 5Success Rate: 95.54%. Solve Challenge.Below are my solutions to all Medium SQL challenges on HackerRank. 1) The PADS. Question¶ Solution¶ MySQL / MS SQL Server. Output ...sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql ...lawliet89 / SuperStack.cs. Created 8 years ago. Star 2. Fork 1. Code Revisions 1 Stars 2 Forks 1. Embed. Download ZIP. Mar 17, 2023 · Calculate server loads using Round Robin Scheduling. Given M servers that handle multiple requests having infinite computational capability and arrays arrivalTime [] and processTime [] of size N denoting the arrival time and load time of N requests in the following manner: Each server is numbered from 0 to (M – 1) and the requests are given ... A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.Feb 21, 2023 · As a first step, we can compute the maximum score achieved per hacker and challenge, so that we filter out any other submissions with lower scores. SELECT. h.hacker_id, h.name, s.challenge_id, MAX(score) max_score. FROM. hackers h INNER JOIN submissions s ON h.hacker_id = s.hacker_id. GROUP BY. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Code your solution in our custom editor or code in your own environment and upload your solution as a file. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. 6 of 6 Self Balancing Tree. An AVL tree (Georgy Adelson-Velsky and Landis' tree, named after the inventors) is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any time they differ by more than one, rebalancing is done to restore this property.Encode Text : For consistency across platform encode the plain text as byte using UTF-8 encoding. Encrypt Text : Instantiate Cipher with ENCRYPT_MODE, use the secret key and encrypt the bytes. Decrypt Text : Instantiate Cipher with DECRYPT_MODE, use the same secret key and decrypt the bytes. All the above given steps and concept are same, we ...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Jun 5, 2022 · Get FREE SQL Certification with HackerRank, pass in one attempt.All 5 Questions Solution: https://www.azhark.com/2022/06/05/hackerrank-sql-basic-certificatio... Feb 21, 2023 · As a first step, we can compute the maximum score achieved per hacker and challenge, so that we filter out any other submissions with lower scores. SELECT. h.hacker_id, h.name, s.challenge_id, MAX(score) max_score. FROM. hackers h INNER JOIN submissions s ON h.hacker_id = s.hacker_id. GROUP BY. Mar 26, 2023 · post written by: Ghanendra Yadav Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer.Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. 16980. 99989. Joe. 9. 3573. 32157. The maximum earnings value is 69952. The only employee with earnings = 69952 is Kimberly, so we print the maximum earnings value ( 69952) and a count of the number of employees who have earned $69952 (which is 1) as two space-separated values.

{"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/Basic Select":{"items":[{"name":"Employee Names.sql","path":"SQL/Basic Select/Employee Names.sql .... Project

secure the server hackerrank solution

{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"2d-array","path":"2d-array","contentType":"directory"},{"name":"30-2d-arrays","path":"30-2d ...In this post, you will find the solution for Exceptional Server in C++-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank . If you are not able to solve any problem, then you can take help from our Blog/website.HackerRank Solutions. Over the course of the next few (actually many) days, I will be posting the solutions to previous Hacker Rank challenges. The page is a good start for people to solve these problems as the time constraints are rather forgiving. The majority of the solutions are in Python 2. Some are in C++, Rust and GoLang. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. - GitHub - qanhnn12/SQL-Hackerrank-Challenge-Solutions: Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server.order by l desc, c asc. limit 1; select city c, length (city) l. from station. order by l asc, c asc. limit 1; Disclaimer: The above Problem ( Weather Observation Station 5) is generated by Hacker Rank but the Solution is Provided by CodingBroz. This tutorial is only for Educational and Learning Purpose. ← Previous Post. hackerrank-solutions. HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python ...Top Competitors. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Order your output in descending order by the total number of challenges in which the hacker earned a full ...Secure the Servers Hackerrank Solution Python . In this blog post, we will be discussing the Secure the Servers Hackerrank Solution Python. This is a basic level algorithm question and can be easily solved using python. The problem statement states that there are N servers in a network and M connections between them.Here is my solution to the problem: WITH CTE_VIEW AS ( SELECT CHALLENGE_ID, SUM(TOTAL_VIEWS) AS SUM_TV, SUM(TOTAL_UNIQUE_VIEWS) AS SUM_TUV FROM VIEW_STATS GROUP BY 1) , CTE_SUB AS ( SELECT CHALLENGE_ID, SUM(TOTAL_SUBMISSIONS) AS SUM_TS, SUM(TOTAL_ACCEPTED_SUBMISSIONS) AS SUM_TAS FROM SUBMISSION_STATS GROUP BY 1) , CTE_CONTEST AS ( SELECT CT ...Sep 5, 2023 · Hackerrank Coding Questions for Practice. Below you can find the Top 25 Hackerrank based coding questions with solutions for the Hackerrank Coding test. in this article we have collected the most asked and most important Hackerrank coding questions that you need to prepare to successfully crack Hackerrank coding round for companies like IBM, Goldman Sachs, Cisco, Mountblu, Cognizant, etc. Jun 5, 2022 · Get FREE SQL Certification with HackerRank, pass in one attempt.All 5 Questions Solution: https://www.azhark.com/2022/06/05/hackerrank-sql-basic-certificatio... Oct 24, 2022 · HackerRank Sql Basic - Merit Rewards solutionhttps://www.hackerrank.com Oct 24, 2022 · HackerRank Sql Basic - Merit Rewards solutionhttps://www.hackerrank.com Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Code your solution in our custom editor or code in your own environment and upload your solution as a file. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. 6 of 6As a first step, we can compute the maximum score achieved per hacker and challenge, so that we filter out any other submissions with lower scores. SELECT. h.hacker_id, h.name, s.challenge_id, MAX(score) max_score. FROM. hackers h INNER JOIN submissions s ON h.hacker_id = s.hacker_id. GROUP BY.170+ solutions to Hackerrank.com practice problems using Python 3, С++ and Oracle SQL hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Updated on Aug 1 Python omonimus1 / competitive-programming Sponsor Star 846 Code Issues Pull requests Contest Leaderboard. SELECT hacker_id, name, SUM(max_score) total_score FROM ( SELECT h.hacker_id AS hacker_id, h.name AS name, s.challenge_id, MAX(s.score) AS max_score FROM hackers AS h INNER JOIN submissions AS s ON h.hacker_id = s.hacker_id GROUP BY h.hacker_id, h.name, s.challenge_id ) AS Student_challenges GROUP BY hacker_id, name HAVING ....

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