Merit Rewards. SELECT ei.employee_ID, ei.name FROM employee_information ei JOIN last_quarter_bonus b ON b.employee_ID = ei.employee_ID WHERE ei.division LIKE 'HR' AND b.bonus >= 5000; This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. Here’s GitHub Repo: https ...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Leave a Comment / HackerRank, HackerRank C++ / By CodeBros Today we are going to solve Exceptional Server HackerRank Solution in C++ . Table of Contents Togglepost 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.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 ...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 ...Below are my solutions to all Medium SQL challenges on HackerRank. 1) The PADS. Question¶ Solution¶ MySQL / MS SQL Server. Output ...AVG function used to get the average of the values of all the records in the specified column name passed to the function. CEIL function used to get the nearest integer of the original number passed to the function. (The output will be always greater than or equal to the original number). Eg. CEIL (2.34) will return 3.Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 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.{"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ... Merit Rewards. SELECT ei.employee_ID, ei.name FROM employee_information ei JOIN last_quarter_bonus b ON b.employee_ID = ei.employee_ID WHERE ei.division LIKE 'HR' AND b.bonus >= 5000; This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. Here’s GitHub Repo: https ...Hackerrank SQL Solutions in MS SQL Server.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 ...Feb 13, 2021 · YASH PAL February 13, 2021 In this HackerRank Exceptional server problem in the c++ programming language, In this challenge, you are required to handle error messages while working with small computational server that performs complex calculations. It has a function that takes 2 large numbers as its input and returns a numeric result. 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 ...{"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/3_Aggregation/07_The Blunder":{"items":[{"name":"The blunder.mysql","path":"SQL/3_Aggregation/07_The Blunder ...We use cookies to ensure you have the best browsing experience on our website. Please read ourOne 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 ... Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Network Security is the protection of the underlying network infrastructure from unauthorized access, misuse, or theft. It involves creating a secure infrastructure for devices, applications, users, and applications to work securely. Network and Routing Protocols / Services - Understanding of the OSI Model, the concepts of electronic data ...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.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 ...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. 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 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 ...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. Feb 10, 2023 · Cisco Hack to Secure is an online contest powered by the HackerRank coding platform. The contest is from March 24, 2023 to March 26, 2023 between 9:00 A.M. to 9:00 P.M. IST . Participants will be challenged to solve three coding problems with varying complexities within a duration of 90 minutes. Participants can join the challenge on any one of ... Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.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.The Blunder Hackerrank Solution - SQL*****for code click here : https://idiotprogrammern.blogspot.com/2021/09/the-blunde...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.HackerRank's computing infrastructure is provided by Amazon Web Services, a secure cloud services platform. Amazon’s physical infrastructure has been accredited under ISO 27001, SOC 1/SOC 2/SSAE 16/ISAE 3402, PCI Level 1, FISMA Moderate, and Sarbanes-Oxley. Application Vulnerability Assessment {"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ...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 ... Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.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. In this HackerRank Network administration problem solution For each network transformation in form 3 AB ai ou should output: "No connection" if there is no path between the requested servers considering just the links controlled by ai. "D security devices placed" where D is the number of security devices placed so far on the existing connection ...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 ...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. 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 ...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 ...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 ...Weather Observation Station 5EasySQL (Intermediate)Max Score: 30Success Rate: 94.25%. Solve Challenge. Security FunctionsEasyProblem Solving (Basic)Max Score: 5Success Rate: 95.54%. Solve Challenge.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 ... Hope y’all enjoyed my long drawn explanation to a simple problem, I’m trying to get better at SQL querying, so if you see any errors or have any suggestions, I am all ears.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.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.HackerRank's computing infrastructure is provided by Amazon Web Services, a secure cloud services platform. Amazon’s physical infrastructure has been accredited under ISO 27001, SOC 1/SOC 2/SSAE 16/ISAE 3402, PCI Level 1, FISMA Moderate, and Sarbanes-Oxley. Application Vulnerability Assessment 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. 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. Hackerrank SQL Advanced Certification - Crypto Market Algorithms Reporthttps://www.hackerrank.comHere 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 ...Write a query to find the node type of BST ordered by the value of the node. GitHub - kg-0805/HackerRank-Solutions: This Repository ...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 ...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 ... Output one of the following statements for each record in the table: Equilateral: It’s a triangle with 3 sides of equal length. Isosceles: It’s a triangle with 2 sides of equal length. Scalene: It’s a triangle with 3 sides of differing lengths. Not A Triangle: The given values of A , B, and C don’t form a triangle.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. 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. 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...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.Nov 21, 2021 · Besides the solutions, there are Python 3 and C++ code stubs and some test cases so you can first try to solve the problems without time pressure if you want to. Challenges A Very Big Sum [url] [10p] {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"2d-array","path":"2d-array","contentType":"directory"},{"name":"30-2d-arrays","path":"30-2d ...Dec 1, 2022 · Hackerrank SQL Advanced Certification - Crypto Market Algorithms Reporthttps://www.hackerrank.com 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 ... 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.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.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 ...In this HackerRank Network administration problem solution For each network transformation in form 3 AB ai ou should output: "No connection" if there is no path between the requested servers considering just the links controlled by ai. "D security devices placed" where D is the number of security devices placed so far on the existing connection ...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 ...Average PopulationEasySQL (Basic)Max Score: 10Success Rate: 99.60%. Solve Challenge.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.Over 40% of developers worldwide and 3,000 companies use HackerRank. It’s not a pipeline problem. It’s a spotlight problem. Tech hiring needs a reset. From prepping for jobs and practicing coding to running a world-class technical interview, give developers the tools they need to showcase their skills, passion, and potential.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.Average PopulationEasySQL (Basic)Max Score: 10Success Rate: 99.60%. Solve Challenge.lawliet89 / SuperStack.cs. Created 8 years ago. Star 2. Fork 1. Code Revisions 1 Stars 2 Forks 1. Embed. Download ZIP. 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 ...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.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... {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"2d-array","path":"2d-array","contentType":"directory"},{"name":"30-2d-arrays","path":"30-2d ...Write a query to find the node type of BST ordered by the value of the node.
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 .... God please donpercent27t let my 30 jam
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 ...Mar 5, 2021 · AVG function used to get the average of the values of all the records in the specified column name passed to the function. CEIL function used to get the nearest integer of the original number passed to the function. (The output will be always greater than or equal to the original number). Eg. CEIL (2.34) will return 3. Network Security is the protection of the underlying network infrastructure from unauthorized access, misuse, or theft. It involves creating a secure infrastructure for devices, applications, users, and applications to work securely. Network and Routing Protocols / Services - Understanding of the OSI Model, the concepts of electronic data ...Network Security is the protection of the underlying network infrastructure from unauthorized access, misuse, or theft. It involves creating a secure infrastructure for devices, applications, users, and applications to work securely. Network and Routing Protocols / Services - Understanding of the OSI Model, the concepts of electronic data ...This video contains solution to HackerRank "Exceptional Server" problem. But remember...before looking at the solution you need to try the problem once for b...Guides, datasheets, and data-driven content for making the best hires.{"payload":{"allShortcutsEnabled":false,"fileTree":{"contests/code-cpp-4":{"items":[{"name":"cpp-class-template-specialization.cc","path":"contests/code-cpp-4/cpp ...In this post, we will be covering all the solutions to SQL on the HackerRank platform. HackerRank is a platform for competitive coding. It is very important that you all first give it a try & brainstorm yourselves before having a look at the solutions. Let us code and find answers to our given problems.Solved submissions (one per hacker) for the challenge: correct. Your submission score factor (lies between 0 and 1) based on correctness of the submission: sf. Minimum score a challenge can have: 20. Maximum score a challenge can have: 100. We calculate, Success ratio , sr = correct/total.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. 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 ...{"payload":{"allShortcutsEnabled":false,"fileTree":{"SQL/3_Aggregation/07_The Blunder":{"items":[{"name":"The blunder.mysql","path":"SQL/3_Aggregation/07_The Blunder ...Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 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 ... Dec 1, 2022 · Hackerrank SQL Advanced Certification - Crypto Market Algorithms Reporthttps://www.hackerrank.com 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 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 ...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 ... .