How can I improve my rating?

Revision en1, by WangTianzhuo, 2023-08-17 04:05:38

I can only solve 3 problems in Div.2 all the time. I leant dp, trees and graphs, but I still can't solve Div.2 D by myself. Because of that, I can't get higher rating. Can anybody help me? I am stuck at 1600 ~ 1700.


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en1 English WangTianzhuo 2023-08-17 04:05:38 243 Initial revision (published)