Favorite / most educational JOI problem

Правка en1, от Sammmmmmm, 2023-07-24 13:49:35

I have been doing JOI problems lately and I really liked them! Can someone suggest me some problems to do? Thanks

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en2 Английский Sammmmmmm 2023-07-24 13:50:08 58 Tiny change: 'do? Thanks' -> 'do? Thanks. It could be from open contest, finals or spring camp :))'
en1 Английский Sammmmmmm 2023-07-24 13:49:35 152 Initial revision (published)