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What is Competitive Programming?
Competitive programming is a mind sport for solving coding problems using algorithms and data structure. The participants need to write code under various restrictions like memory limits, execution time, the limit of coding, space, etc. The winner of competitive programming is declared based on problems solved and time spent for writing successful programming solutions.
However, it also includes other factors like quality of output produced, execution time, program size, etc.
In this Competitive Programming for beginners tutorial, you will learn
Benefits of Competitive Programming
Here are benefits of competitive programming:
Competitive programming helps you to improve your logical and analytical skills
It improves your algorithmic knowledge.
It is an excellent addition to your CV.
Improve your network of friends who are also passionate about programming
It is supported by world famous organizations like Google, Amazon, Facebook, IBM, and others.History of competitive programming
In the competitive programme world, the oldest contest is ACM-ICPC (International Collegiate Programming Contest ). It was originated in the 1970s and has grown to span across 88 countries.
Interest in programming challenges has grown extensively after 2000. It was possible due to the growth of the Internet. It allows coding contest sites to hold international contests online.
Next in this Competitive programming tutorial, we will learn about skills required for competitive programming exam.
Skills Required in the Competitive Programming Exams
Basic Math Skills
Typing Speed Skills
Brute force searching using the entire search space
Beating the time limit
Optimizing the search
Divide and Conquer
Dividing the coding problem into smaller parts
Determine problem state
Faster and more elaborate recursive backtrackingHow to get started?
Here, are some useful tips that you should know before getting started with Competitive programming:
It’s vital that you select a programming language which you are most comfortable with
Sign up on any online coding challenge website and start solving their practice problems
You need to learn about Data Structures which is vital to solving complex coding issues.
You need to understand the concept of complexity in programs.
Learn important programming patterns like recursion, Dynamic Programming, etc.Top Competitive Programming Sites
Here are the best coding practice websites:
Coderbyte offers more than 200 various types of competitive programming questions and coding challenges which you can solve in an online editor using 10 different programming languages. It is one of the best competitive programming sites that provide official solutions and more than 800,000 user created solutions.Codewars
Codewars offer an extensive collection of coding challenges. You can submit your challenges which will be edited by the community. It allows you to solve these challenges online using their editor of 20+ programming languages.CodeChef
CodeChef offers hundreds of competitive programming challenges. It is one of the best site for competitive programming that allows you to write code in their online editor and view a collection of challenges. The coding problems are separated into different categories based on your skill level.Codeforces
Codeforces is a Russian based competitive programming course website. It regularly hosts coding contest where competitive programmers from all over the world.Hackerearth:
HackerEarth offers enterprise software solutions. It is one of the best coding challenge websites that help companies or individual with their innovation management and technical recruitment needs. HackerEarth Coding platform for beginners has conducted 10,000+ sports programming challenges to date.Myths and reality of competitive programming
It’s too late to start competitive programming There is no fixed age for this best to start earlier in your programming career.
It is an excellent way to get a software programming job No, it is not true as it is a sport which may benefits. However, it doesn’t offer a job guarantee.
You need to solve lots of computing programs before starting competitive programming. You can learn theory, but you solving computing challenges will not help as every competition is unique with its unique Topcoder challenges.
You need to an expert in algorithm You need to be able to solve the problems
Competitive programmers are all experienced programmers. No, it is for everyone even beginner code can participate
It is just a hobby or a game Competitive programming, in contrast, covers some of the same skills taught in the computer science curriculum, but at a much deeper level. So, you can’t call it a game.
Best Practices for Competitive Coding exams
Although there is no fixed rule, still some best practices for Competitive programming that you should follow are:
Try to learn new and efficient algorithms and implement them when needed.
Develop a good knowledge of data structures like lists, trees, and graphs
Read the privacy information from the competitive programming website and contact them before signup.
You should select a problem for which you can find a solution and possibly an explanation of those solutions.
Write test cases for the problem and test your logic using those test cases before submitting.
You need to maintain pre-written templates for Standard algorithms, necessary headers, functions, etc.
Use functions/methods and minimize repetition of code.
Test your code for worst case and try to figure out the best solution for this situationDrawbacks of competitive programming
Runtime Errors on problems with bad inputs are difficult to debug.
You are so used to small rewards and short-term goals. In real life when you work on any project, it mostly takes two-three months before you get the reward for the project you’re working on
You will likely become master of coding, but you won’t know any frameworks (important for real projects)
It is time-consuming and more tedious to participate, and you need to do it repeatedly.Summary
Competitive programming is solving coding problems using algorithm and data structure.
Coding contests help you to improve your logical and analytical skills.
ICPC was originated in the 1970s and has grown to span across 88 countries.
Algorithm Skills, Basic Math Skills, Programming Skills, Typing Speed Skills are required in the competitive Programming Exams.
It’s crucial that you select a programming language which you are most comfortable with
The most popular Competitive Programming Websites are: 1)TopCoder 2) Coderbyte 3) Codewars 4) CodeChef 5) Codeforce 6) Hackerearth.
It is a common myth that it’s too late to start competitive programming. However, the reality is that there is no fixed age for it.
Develop a good knowledge of data structures like lists, trees, and graphs is a good best practice for competitive coding exams.
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