What were your favorite Data Structure problems in 2020?

Revision en1, by gamegame, 2020-12-31 21:22:46

There has been less and less data structure problems in 2020. I think that it is inevitable because interesting data structure problems are hard to create. Still, I feel very sad about this. Let's share interesting data structure problems that you enjoyed in 2020!

For me, I especially love GP of Tokyo A, GP of Tokyo L and GP of Moscow D

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en1 English gamegame 2020-12-31 21:22:46 532 Initial revision (published)