Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4172	P802N April Fools' Problem (medium) binary search flows graphs *2400	0 / 0	(None)
	4171	P802O April Fools' Problem (hard) binary search data structures flows *2900	0 / 0	(None)
	4170	P803A Maximal Binary Matrix constructive algorithms *1400	0 / 0	(None)
	4169	P803B Distances to Zero constructive algorithms *1200	0 / 0	(None)
	4168	P803C Maximal GCD constructive algorithms greedy math *1900	0 / 0	(None)
	4167	P803D Magazine Ad binary search greedy *1900	0 / 0	(None)
	4166	P803E Roma and Poker dp graphs *2000	0 / 0	(None)
	4165	P803F Coprime Subsequences bitmasks combinatorics number theory *2000	0 / 0	(None)
	4164	P803G Periodic RMQ Problem data structures *2300	0 / 0	(None)
	4163	P804A Find Amir constructive algorithms greedy math *1000	0 / 0	(None)
	4162	P804B Minimum number of steps combinatorics greedy implementation math *1400	0 / 0	(None)
	4161	P804C Ice cream coloring constructive algorithms dfs and similar greedy *2200	0 / 0	(None)
	4160	P804D Expected diameter of a tree binary search brute force dfs and similar dp sortings trees *2500	0 / 0	(None)
	4159	P804E The same permutation constructive algorithms *3100	0 / 0	(None)
	4158	P804F Fake bullions combinatorics dfs and similar dp graphs number theory *3400	0 / 0	(None)
	4157	P805A Fake NP greedy math *1000	0 / 0	(None)
	4156	P805B 3-palindrome constructive algorithms *1000	0 / 0	(None)
	4155	P807A Is it rated? implementation sortings *900	0 / 0	(None)
	4154	P807B T-Shirt Hunt brute force implementation *1300	0 / 0	(None)
	4153	P808A Lucky Year implementation *900	0 / 0	(None)

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