Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2018	P1257C Dominated Subarray greedy implementation sortings strings two pointers *1200	0 / 0	(None)
	2017	P1257D Yet Another Monster Killing Problem binary search data structures dp greedy sortings two pointers *1700	0 / 0	(None)
	2016	P1257E The Contest data structures dp greedy *2000	0 / 0	(None)
	2015	P1257F Make Them Similar bitmasks brute force hashing meet-in-the-middle *2400	0 / 0	(None)
	2014	P1257G Divisor Set divide and conquer fft greedy math number theory *2600	0 / 0	(None)
	2013	P1260A Heating math *1000	0 / 0	(None)
	2012	P1260B Obtain Two Zeroes binary search math *1300	0 / 0	(None)
	2011	P1260C Infinite Fence greedy math number theory *1700	0 / 0	(None)
	2010	P1260D A Game with Traps binary search dp greedy sortings *1900	0 / 0	(None)
	2009	P1260E Tournament brute force dp greedy *2400	0 / 0	(None)
	2008	P1260F Colored Tree data structures trees *2700	0 / 0	(None)
	2007	P1261F Xor-Set bitmasks divide and conquer math *3100	0 / 0	(None)
	2006	P1263A Sweet Problem math *1100	0 / 0	(None)
	2005	P1263B PIN Codes greedy implementation *1400	0 / 0	(None)
	2004	P1263C Everyone is a Winner! binary search math meet-in-the-middle number theory *1400	0 / 0	(None)
	2003	P1263D Secret Passwords dfs and similar dsu graphs *1500	0 / 0	(None)
	2002	P1263E Editor data structures implementation *2100	0 / 0	(None)
	2001	P1263F Economic Difficulties data structures dfs and similar dp flows graphs trees *2400	0 / 0	(None)
	2000	P1264A Beautiful Regional Contest greedy implementation *1500	0 / 0	(None)
	1999	P1264B Beautiful Sequence brute force constructive algorithms greedy *1900	0 / 0	(None)

Pick a problem randomly based on the current filter.