math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3830	P884C Bertown Subway dfs and similar greedy math *1500	0 / 0	(None)
	3822	P886E Maximum Element combinatorics dp math *2400	0 / 0	(None)
	3811	P888D Almost Identity Permutations combinatorics dp math *1600	0 / 0	(None)
	3807	P889E Mod Mod Mod binary search dp math *3000	0 / 0	(None)
	3806	P891A Pride brute force dp greedy math number theory *1500	0 / 0	(None)
	3802	P891E Lust combinatorics math matrices *3000	0 / 0	(None)
	3795	P893E Counting Arrays combinatorics dp math number theory *2000	0 / 0	(None)
	3792	P894B Ralph And His Magic Field combinatorics constructive algorithms math number theory *1800	0 / 0	(None)
	3791	P894C Marco and GCD Sequence constructive algorithms math *1900	0 / 0	(None)
	3787	P895B XK Segments binary search math sortings two pointers *1700	0 / 0	(None)
	3786	P895C Square Subsets bitmasks combinatorics dp math *2000	0 / 0	(None)
	3785	P895D String Mark combinatorics math strings *2100	0 / 0	(None)
	3780	P896D Nephren Runs a Cinema chinese remainder theorem combinatorics math number theory *2900	0 / 0	(None)
	3776	P898A Rounding implementation math *800	0 / 0	(None)
	3771	P898F Restoring the Expression brute force hashing math *2300	0 / 0	(None)
	3770	P899A Splitting in Teams constructive algorithms greedy math *800	0 / 0	(None)
	3768	P899C Dividing the numbers constructive algorithms graphs math *1300	0 / 0	(None)
	3767	P899D Shovel Sale constructive algorithms math *1800	0 / 0	(None)
	3763	P900B Position in Fraction math number theory *1300	0 / 0	(None)
	3762	P900C Remove Extra One brute force data structures math *1700	0 / 0	(None)

Pick a problem randomly based on the current filter.