Can you give me any recommendation?

Правка en1, от Ahmet.K23, 2019-03-01 23:54:00

I want to nice problems which has a higher or equal difficulty level (but not too hard like Div.1 D).

Div.2 D Div2.E is fine. Please help me!

Теги #codeforces, #problems, nice problem, #problem solving

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en1 Английский Ahmet.K23 2019-03-01 23:54:00 179 Initial revision (published)