matrices - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	985	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
	970	P1701F Points combinatorics data structures implementation math matrices *2500	0 / 0	9
	901	P1713E Cross Swapping 2-sat data structures dsu greedy matrices *2400	0 / 0	9
	693	P1743F Intersection and Union data structures dp matrices probabilities *2300	0 / 0	8
	559	P1761E Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers *2400	0 / 0	9
	102	P1808E2 Minibuses on Venus (medium version) combinatorics divide and conquer dp matrices *2500	0 / 0	9
	51	P1814E Chain Chips data structures dp matrices *2300	0 / 0	8
	9908	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
	10018	P1864H Asterism Stream dp math matrices	0 / 0	(None)
	10172	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	10279	P1916H1 Matrix Rank (Easy Version) brute force combinatorics dp math matrices *2700	0 / 0	10
	10278	P1916H2 Matrix Rank (Hard Version) combinatorics dp math matrices string suffix structures *2700	0 / 0	10
	10271	P1919F2 Wine Factory (Hard Version) data structures dp flows greedy matrices *2800	0 / 0	10
	10338	P1924C Fractal Origami geometry math matrices *2400	0 / 0	9
	10587	P1970E2 Trails (Medium) dp matrices *2000	0 / 0	7
	10586	P1970E3 Trails (Hard) dp matrices *2200	0 / 0	8
	10682	P1980E Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings *1600	0 / 0	5
	10713	P1995E1 Let Me Teach You a Lesson (Easy Version) 2-sat data structures dp matrices two pointers *2700	0 / 0	10
	10712	P1995E2 Let Me Teach You a Lesson (Hard Version) data structures dp matrices two pointers *2900	0 / 0	10

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