Calling for Harder Div.4

Правка en1, от littlejuruo, 2022-11-18 10:16:03

Division 4 are for alts. They are very strong. *1700 problems cannot show their true strength. We should set the last problem to *2100 or higher!

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en1 Английский littlejuruo 2022-11-18 10:16:03 169 Initial revision (published)