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If I Am Not Good at Solving the Problems on the Competitive Programming Sites Like Codechef Or Hackerrank, Where Am I Lagging? - Quora

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If I Am Not Good at Solving the Problems on the Competitive Programming Sites Like Codechef Or Hackerrank, Where Am I Lagging? - Quora 9/28/2014 If I am not good at solving the problems on the competitive programming sites like CodeChef or Hackerrank, where am I lagging? - Quora QUESTION TOPICS If I am not good at solving the problems on the RELATED QUESTIONS competitive programming sites like CodeChef or HackerRank CodeChef: I am in my third year of Hackerrank, where am I lagging? university now. What should be my Codeforces strategy so that I am comfortable with I am a second year undergrad at one of the IITs and very decent with my CPI Sphere Online Judge solving problems of gene... (continue) (SPOJ) as of now. I have tried quite a few times to start with the likes of above mentioned sites but even the basic level questions take a long time for me to Computer Programming: Why am I CodeChef unable to concentrate in problem solving, get completed? If I know the programming language, if I understand the coding, reading, poor at math? TopCoder questions, where is the fallacy on my part that is preventing me from getting Competitive over them(solving questions) quickly and efficiently? I am quite motivated towards Programming programming, but there is a phase when I am unable to solve most of the problems. Software Follow Question 190 Comment Share 2 Downvote How do I ge... (continue) Programming Languages I am new to competitive programming, just joined CodeChef 10 days back. I am Indian Institutes of Sumit Saurabh finding the easy level questions very Technology (IITs) Edit Bio • Make Anonymous difficu... (continue) Computer Science Write your answer, or answer later. I am new to programming. I have been Computer doing problems from sites like CodeChef Programming and SPOJ. For some problems I am 10 ANSWERS ASK TO ANSWER Edit Topics exceeding th... (continue) Anonymous I am only able to solve 3 problems in a SHARE QUESTION 318 upvotes by Abhirut Gupta, Rajini Maski, Harsha Nadimpalli, (more) long CodeChef contest and 1-2 problems in cook-offs . What should I do so that I First of all, i would like to introduce myself a little, regardless of being c... (continue) Twitter anonymous, so that you get comfortable. I am a second year undergraduate at Facebook one of the IITs too, and i have been doing competitive programming for a Competitive Coding: I am not able to while. No, i am not that great at it, but i am just learning, and currently i am solve more than 2 questions in Codechef's Long Contests . How to able to crack 5-6 problems in the CodeChef Long Challenges. Long way to go! :) QUESTION STATS improve my coding le... (continue) Views 32,953 Yeah, now to begin with your question, i find myself appropriate to answer that How do I solve tough programming question, because i have been through that phase. So, what i found was, to do problems in CodeChef? Followers 190 good at competitive programming, atleast to be a medium-level guy, which i CodeChef: I am facing problems in consider myself now, you should do it in phases. solving topcoder div1 250 problems. Where am I lagging or going wrong? 1. The CAKEWALK Phase. Latest activity: 2 Sep First, of all there are questions that do not need any prior knowledge except CodeChef: I am confused when to read simple logic and the basic syntax of a programming language. All you really the theory and pseudocode or code of specific types of problems.Should I derive need is to know to write a language, and simple logic to work it through. I them on my own ... (continue) would grade these problems below as cakewalk. More Related Questions Chef and Feedback The Best Box So, if you can easily get away these ones, congrats! you are now into the next phase. 2. The STANDARD ALGORITHM Phase. Now that you are done with the basics of a language and easy problems, you should know some basic standard algorithms and their applications. If you notice closely, there are always some problems that are just the standard implementations of standard algorithms. I would consider knowing graph algorithms (dfs, bfs, shortest paths, minimum spanning tree), dynamic programming, data structures (segment trees, suffix arrays) etc in this phase. If you know these algorithms and what they really do, a little bit of thinking on most problems would make you convert them in some kind of standard algorithms, or their applications. Now there are two ways, you can go about this, you either learn an algorithm, https://www.quora.com/If-I-am-not-good-at-solving-the-problems-on-the-competitive-programming-sites-like-CodeChef-or-Hackerrank-where-am-I-lagg… 1/6 9/28/2014 If I am not good at solving the problems on the competitive programming sites like CodeChef or Hackerrank, where am I lagging? - Quora and then practice it, or you practice questions and learn the algorithm that needs to be used to solve them. I personally prefer the latter, because it makes you think of all possible ways of solving a question, and only when you are sure you learn the new way, and it remains longer in your mind. But, then this is my way. And if you really want to try and trust me, i would consider Sphere Online Judge (SPOJ) as the best place for this. Once you know these standard algorithms, and have practiced a lot, you will be easily be able to solve half of the probelms. You'l be me :) 3. The OPTIMIZATION Phase. Disclaimer: I myself have not been able to complete this, but i think this would be the best thing to do for me, next. Now, at times when you see a problem, you know an approach for the problem. But you need to do it better. With better it may mean the time constraint on the Search problem, or the space constraint. For better uHnodmerestandinOgp,e in w Qilul egsivtieo nysou an Notifications Sumit Add Question example. This was a problem in last month's long challenge i guess, A Story with Strings . Now i know i could do this using suffix arrays, and in fact me and my team-mate spent a lot of time implementing it, but we got stuck with the time constraint. It needed a O(nlog^2(n)) implementation,and i had no idea how to. So this is the phase, when you need to improve yourself, and i guess there is no 'defined' way to do this, and all i guess is i need to practice and learn! 4. The ALL-MATHS Phase. Now, this is divided across all the phases. You need to have a good hold on combinatorics, probability, and geometry at times. I struggle with this part, and may be you could help me out with this. :) At, the end, all i would say is, what i found was, the only was to improve yourself at competitive programming is practice! The more you do, the better you get. Don't give up, trust me the happiness of a 'GREEN TICK' is unmatched! Happy Coding :) P.S. This is my second longest answer on quora, i guess! And all the suggestions were my own personal opinion and experiences. It might or might not work for you, but i guess, it's worth a try. P.P.S All the suggestions are welcomed for improving the answer, and all ideas for making myself better at competitive programming, Thanks! :) W ritten 5 Apr. Suggest Edits Upvote 318 Downvote Comments 3+ Share 4 Amit Upadhyay, Programming addict/Maths Lover... (more) 296 upvotes by Sumit Saurabh, Dhaivat Bhatt, Senthil Nathan, (more) I am not even from IITs. I am still a novice at competitive programming. The thing that I have is passion for what I need to do. I am able to solve 6-7 question in codechef long challenges and that too by a humongous effort. But I still go on. I just have two things to say in your case. First, Mind is everything. What you think is what you become. -Buddha Yes, think that you will succeed and practice. Believe me in programming world only a handful are prodigies, rest of the top programmers are there because of their hard work, passion and dedication. Did they had same doubts as you are having now? Yes I can tell for sure. But they put those doubts aside and just did the hard work. Secondly, don't take programming as a work. Take it as a part of your life just like your breath. Enjoy it. Love it. If your inner voice says, you can't code, then just code. It is the only thing that'll shut that inner voice. https://www.quora.com/If-I-am-not-good-at-solving-the-problems-on-the-competitive-programming-sites-like-CodeChef-or-Hackerrank-where-am-I-lagg… 2/6 9/28/2014 If I am not good at solving the problems on the competitive programming sites like CodeChef or Hackerrank, where am I lagging? - Quora You are not lagging anywhere if you are trying. Even if it take too much time, the thing is that you tried. You are improving yourself slowly. Any thing does not happen in an instant unless it is destruction. So construction of a great programmer takes time :). It is up to you if you want to hang on. There is a pretty good maths behind it. Assume your value is . Now you program daily even if it took you whole day you learnt a new thing. Let us say you improved yourself by .
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