How to train my mathematical skill ?

Правка en1, от TuongOnArrival1, 2024-09-01 04:51:31

I have trouble in solving problems on codeforce . Can u tell me how to train my mathematical skill pls;((

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en1 Английский TuongOnArrival1 2024-09-01 04:51:31 141 Initial revision (published)