Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5971	P1538C Number of Pairs binary search data structures math two pointers *1300	0 / 0	(None)
	5972	P1538E Funny Substrings data structures hashing implementation matrices strings *2100	0 / 0	(None)
	5973	P1538G Gift Set binary search greedy math ternary search *2100	0 / 0	(None)
	5974	P1539A Contest Start combinatorics geometry greedy math *1000	0 / 0	(None)
	5975	P1539C Stable Groups greedy sortings *1200	0 / 0	(None)
	5976	P1539E Game with Cards binary search constructive algorithms data structures dp greedy implementation *2500	0 / 0	(None)
	5977	P1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	(None)
	5978	P1540B Tree Array brute force combinatorics dp graphs math probabilities trees *2300	0 / 0	(None)
	5979	P1540C2 Converging Array (Hard Version) dp math *2900	0 / 0	(None)
	5980	P1540E Tasty Dishes math matrices *3500	0 / 0	(None)
	5981	P1541B Pleasant Pairs brute force implementation math number theory *1200	0 / 0	(None)
	5982	P1542A Odd Set math *800	0 / 0	(None)
	5983	P1542C Strange Function math number theory *1600	0 / 0	(None)
	5984	P1542E1 Abnormal Permutation Pairs (easy version) combinatorics dp fft math *2400	0 / 0	(None)
	5985	P1542E2 Abnormal Permutation Pairs (hard version) combinatorics dp fft math *2700	0 / 0	(None)
	5986	P1543B Customising the Track combinatorics greedy math *900	0 / 0	(None)
	5987	P1543C Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities *1900	0 / 0	(None)
	5988	P1543D2 RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math *2200	0 / 0	(None)
	5989	P1545A AquaMoon and Strange Sort sortings *1500	0 / 0	(None)
	5990	P1545C AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs *2800	0 / 0	(None)

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