Triskpy's blog

By Triskpy, 3 months ago, In English

I mean to ask whether there is any dp question that can be solved with top down but not with bottom up or vice versa. If so, I would like to see some examples.

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By Triskpy, 3 months ago, In English

What to do when you understand and solve a tricky question by reading editorial but after sometime when you come across the same question, you are not able to solve it !!.

I am sure that this happens with many people as some of my friends have also reported this. Now i want a solution to this problem.

Whats the best way to revise these problems. Ofcourse i can same them somewhere along with my approach but if i keep saving question like this, there will be hundreds of them.

Not sure whats the correct way. Would love to see some suggestions.

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By Triskpy, history, 3 months ago, In English

I want to report ray2002 for his submission 126891357 which was directly copied from ideone which was provided in this video. Several others also copied from this youtube channel as there were 100+ people watching the live stream.

He did manage to add and extra function in place of is_sorted() and a bunch of macros and was able to bipass the plag check (if such check was done).

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By Triskpy, history, 4 months ago, In English

Q1) What is the best technique to practice questions without wasting time, like if i practice a lot of questions but they all are easy so its basically a waste of time.

Q2) How do you guys practice..? Hoe many hours do you invest in competitive programming per day..?

Q3) Also is codeforces a good site to practice problems from or are there even better websites..?

Q4) Are A2OJ ladder question worth doing to improve..? Because i saw many of its questions are from very old codeforces contests.

I just want to clear some of my doubts and also i want to ensure that if i am spending my time practising, it should be worth it.

Sorry if you don't like these type of questions because i am sure that they are asked a lot. But i just want a clear roadmap that i can follow to master cp.

Thank you.

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