fischerman's blog

By fischerman, history, 5 months ago, In English

I want to practice some previous year OI or ICPC regional problems, but most of them are obviously quite hard for me,can anyone suggest me some OI's/regional contests which I can start solving to improve at this level,or in other words what are some doable olympiads for a high expert or a low CM?

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By fischerman, history, 7 months ago, In English

A weird though came to my mind while writing binary search that why don't we use the geometric mean of start and end instead of arithmetic mean, I mean what would be the time complexity and why don't we use it?

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By fischerman, history, 7 months ago, In English

I can generally solve 1800-1900 rated questions on cf contests and 2000-2100 rated questions while practicing, but I can't solve anything higher than that, I need some suggestions on how to get across this plateau, can you guys suggest me a way to practice on cf or some other ojs, I want to get above average and am willing to put enough effort as I love doing CP, I just need a fair strategy.Also it would be of great help if someone has a list of good problems to try of rating (1900-2400) range.

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By fischerman, history, 7 months ago, In English

I was solving a question and a thought came to my mind which I think is may be worth sharing,I have a suggestion that there should be a timer associated to every question, so that we can precisely measure how much time it takes us in practice to solve a question, I know we can simply set it up ourselves but still think it would be a great feature, please share your opinions on it too.

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