Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4214	P960B Minimize the error data structures greedy sortings *1500	0 / 0	(None)
	4215	P960C Subsequence Counting bitmasks constructive algorithms greedy implementation *1700	0 / 0	(None)
	4216	P960E Alternating Tree combinatorics dfs and similar divide and conquer dp probabilities trees *2300	0 / 0	(None)
	4217	P960F Pathwalks data structures dp graphs *2100	0 / 0	(None)
	4218	P960G Bandit Blues combinatorics dp fft math *2900	0 / 0	(None)
	4219	P961A Tetris implementation *900	0 / 0	(None)
	4220	P961B Lecture Sleep data structures dp implementation two pointers *1200	0 / 0	(None)
	4221	P961C Chessboard bitmasks brute force implementation *1400	0 / 0	(None)
	4222	P961E Tufurama data structures *1900	0 / 0	(None)
	4223	P961G Partitions combinatorics math number theory *2700	0 / 0	(None)
	4224	P962B Students in Railway Carriage constructive algorithms greedy implementation *1300	0 / 0	(None)
	4225	P962D Merge Equals data structures implementation *1600	0 / 0	(None)
	4226	P962E Byteland, Berland and Disputed Cities constructive algorithms greedy *2200	0 / 0	(None)
	4227	P962G Visible Black Areas data structures dsu geometry trees *2800	0 / 0	(None)
	4228	P963B Destruction of a Tree constructive algorithms dfs and similar dp greedy trees *2000	0 / 0	(None)
	4229	P963D Frequency of String hashing string suffix structures strings *2500	0 / 0	(None)
	4230	P964A Splits math *800	0 / 0	(None)
	4231	P964B Messages math *1300	0 / 0	(None)
	4232	P965B Battleship implementation *1300	0 / 0	(None)
	4233	P965D Single-use Stones binary search flows greedy two pointers *1900	0 / 0	(None)

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