Does there exist a list of array / ad-hoc problems?
source link: http://codeforces.com/blog/entry/114782
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Does there exist a list of array
I am somewhat anxious to participate in competitions, because I feel they often contain (usually on the B or C problem in div2) array problems that I find very difficult. I think people know the sort of problem I am talking about. Usually you're given an array, and have to perform some operations on it. And you wanna make it have a certain property. Or something similar to this. I feel like I am getting better at solving problems, but these problems I am not getting better at all that quickly, so it'd be useful to have a longer list of them to focus on exclusively.
Does anyone have a list of such problems? In difficulty range 1200-1800 ideally. Thank you. Posting individual problems is also very much appreciated.
Examples of what I am talking about: https://codeforces.com/problemset/problem/1792/C https://codeforces.com/contest/1810/problem/C https://codeforces.com/contest/1810/problem/A https://codeforces.com/problemset/problem/1686/C https://codeforces.com/problemset/problem/1779/C https://codeforces.com/problemset/problem/1731/C
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