Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3871	P802G Fake News (easy) implementation strings *800	0 / 0	(None)
	3872	P802H Fake News (medium) constructive algorithms strings *2200	0 / 0	(None)
	3873	P802J Send the Fool Further! (easy) dfs and similar graphs trees *1400	0 / 0	(None)
	3874	P802K Send the Fool Further! (medium) dp trees *2100	0 / 0	(None)
	3875	P802M April Fools' Problem (easy) greedy sortings *1200	0 / 0	(None)
	3876	P802O April Fools' Problem (hard) binary search data structures flows *2900	0 / 0	(None)
	3877	P803A Maximal Binary Matrix constructive algorithms *1400	0 / 0	(None)
	3878	P803B Distances to Zero constructive algorithms *1200	0 / 0	(None)
	3879	P803D Magazine Ad binary search greedy *1900	0 / 0	(None)
	3880	P803F Coprime Subsequences bitmasks combinatorics number theory *2000	0 / 0	(None)
	3881	P803G Periodic RMQ Problem data structures *2300	0 / 0	(None)
	3882	P804B Minimum number of steps combinatorics greedy implementation math *1400	0 / 0	(None)
	3883	P804D Expected diameter of a tree binary search brute force dfs and similar dp sortings trees *2500	0 / 0	(None)
	3884	P804E The same permutation constructive algorithms *3100	0 / 0	(None)
	3885	P804F Fake bullions combinatorics dfs and similar dp graphs number theory *3400	0 / 0	(None)
	3886	P805B 3-palindrome constructive algorithms *1000	0 / 0	(None)
	3887	P807B T-Shirt Hunt brute force implementation *1300	0 / 0	(None)
	3888	P808B Average Sleep Time data structures implementation math *1300	0 / 0	(None)
	3889	P808D Array Division binary search data structures implementation *1900	0 / 0	(None)
	3890	P808E Selling Souvenirs binary search dp greedy ternary search *2300	0 / 0	(None)

Pick a problem randomly based on the current filter.