This is most useful CP problem I create until now.

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This is most useful CP problem I create until now.

Revision en1, by dreamoon_love_AA, 2019-12-27 18:38:34

After Educational Codeforces Round 79, I want to share a problem I create this year.

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en2		dreamoon_love_AA	2019-12-27 19:35:04	3168	Tiny change: '=source). [Problem l' -> '=source). \n\n[Problem l' (published)
	en1		dreamoon_love_AA	2019-12-27 18:38:34	138	Initial revision (saved to drafts)