Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4091	P895D String Mark combinatorics math strings *2100	0 / 0	(None)
	4092	P895E Eyes Closed data structures probabilities *2300	0 / 0	(None)
	4093	P896A Nephren gives a riddle binary search dfs and similar *1700	0 / 0	(None)
	4094	P896C Willem, Chtholly and Seniorious data structures probabilities *2600	0 / 0	(None)
	4095	P896D Nephren Runs a Cinema chinese remainder theorem combinatorics math number theory *2900	0 / 0	(None)
	4096	P897A Scarborough Fair implementation *800	0 / 0	(None)
	4097	P898A Rounding implementation math *800	0 / 0	(None)
	4098	P898C Phone Numbers implementation strings *1400	0 / 0	(None)
	4099	P898E Squares and not squares constructive algorithms greedy *1600	0 / 0	(None)
	4100	P898F Restoring the Expression brute force hashing math *2300	0 / 0	(None)
	4101	P899B Months and Years implementation *1200	0 / 0	(None)
	4102	P899C Dividing the numbers constructive algorithms graphs math *1300	0 / 0	(None)
	4103	P899E Segments Removal data structures dsu flows implementation two pointers *2000	0 / 0	(None)
	4104	P900A Find Extra One geometry implementation *800	0 / 0	(None)
	4105	P900C Remove Extra One brute force data structures math *1700	0 / 0	(None)
	4106	P900E Maximum Questions data structures dp strings *2100	0 / 0	(None)
	4107	P901A Hashing Trees constructive algorithms trees *1500	0 / 0	(None)
	4108	P901B GCD of Polynomials constructive algorithms math *2200	0 / 0	(None)
	4109	P901C Bipartite Segments binary search data structures dfs and similar dsu graphs two pointers *2300	0 / 0	(None)
	4110	P901E Cyclic Cipher fft math *3300	0 / 0	(None)

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