Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7772	P1708B Difference of GCDs constructive algorithms math	0 / 0	(None)
	7838	P1709A Three Doors brute force greedy implementation math *800	0 / 0	(None)
	7837	P1709B Also Try Minecraft data structures dp implementation *900	0 / 0	(None)
	7836	P1709C Recover an RBS constructive algorithms greedy implementation strings *1800	0 / 0	(None)
	7835	P1709D Rorororobot binary search data structures greedy math *1700	0 / 0	(None)
	7834	P1709E XOR Tree bitmasks data structures dfs and similar dsu greedy trees *2400	0 / 0	(None)
	7833	P1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	(None)
	7832	P1710A Color the Picture constructive algorithms greedy math *1500	0 / 0	(None)
	7831	P1710B Rain binary search brute force data structures geometry greedy implementation math *2100	0 / 0	(None)
	7830	P1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	(None)
	7829	P1710D Recover the Tree constructive algorithms trees *3400	0 / 0	(None)
	7828	P1710E Two Arrays binary search games graph matchings *2400	0 / 0	(None)
	7827	P1711A Perfect Permutation constructive algorithms *800	0 / 0	(None)
	7826	P1711B Party brute force graphs *1300	0 / 0	(None)
	7854	P1712A Wonderful Permutation greedy implementation	0 / 0	(None)
	7853	P1712B Woeful Permutation constructive algorithms greedy math number theory	0 / 0	(None)
	7852	P1712C Sort Zero greedy sortings two pointers	0 / 0	(None)
	7851	P1712D Empty Graph binary search data structures greedy	0 / 0	(None)
	7850	P1712E1 LCM Sum (easy version) binary search combinatorics math number theory two pointers	0 / 0	(None)
	7849	P1712E2 LCM Sum (hard version) combinatorics data structures math number theory	0 / 0	(None)

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