math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4023	P839D Winter is here combinatorics dp math number theory *2200	0 / 0	(None)
	4022	P839E Mother of Dragons brute force graphs math meet-in-the-middle *2700	0 / 0	(None)
	4021	P840A Leha and Function combinatorics greedy math number theory sortings *1300	0 / 0	(None)
	4015	P841B Godsend games math *1100	0 / 0	(None)
	4012	P842C Ilya And The Tree dfs and similar graphs math number theory trees *2000	0 / 0	(None)
	4009	P843A Sorting by Subsequences dfs and similar dsu implementation math sortings *1400	0 / 0	(None)
	4007	P843C Upgrading Tree constructive algorithms dfs and similar graphs math trees *2600	0 / 0	(None)
	4003	P844B Rectangles combinatorics math *1300	0 / 0	(None)
	3996	P845G Shortest Path Problem? dfs and similar graphs math *2300	0 / 0	(None)
	3990	P846F Random Query data structures math probabilities two pointers *1800	0 / 0	(None)
	3981	P847I Noise Level dfs and similar implementation math *1900	0 / 0	(None)
	3977	P847M Weather Tomorrow implementation math *1000	0 / 0	(None)
	3972	P848E Days of Floral Colours combinatorics divide and conquer dp fft math *3400	0 / 0	(None)
	3969	P850A Five Dimensional Points brute force geometry math *1700	0 / 0	(None)
	3966	P850D Tournament Construction constructive algorithms dp graphs greedy math *2800	0 / 0	(None)
	3965	P850E Random Elections bitmasks brute force divide and conquer fft math *2800	0 / 0	(None)
	3964	P850F Rainbow Balls math *2800	0 / 0	(None)
	3963	P851A Arpa and a research in Mexican wave implementation math *800	0 / 0	(None)
	3962	P851B Arpa and an exam about geometry geometry math *1400	0 / 0	(None)
	3961	P852A Digits brute force implementation math *2500	0 / 0	(None)

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