HELP- INCREASING THE RATING

Правка en1, от codeacpc, 2020-04-19 12:26:17

I am struggling with problem of difficulty C and B in DIV 2 contests... i am solving more problems constantly..... but still haven't improved much...any SUGGESTION????(like some resources)

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en1 Английский codeacpc 2020-04-19 12:26:17 215 Initial revision (published)