matrices - Codeforces - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
7893	P1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	10
7891	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
7900	P1701F Points combinatorics data structures matrices	0 / 0	(无)
8012	P1713E Cross Swapping 2-sat data structures dsu greedy matrices *2400	0 / 0	9
8163	P1743F Intersection and Union data structures dp matrices probabilities *2300	0 / 0	8
8272	P1761E Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers *2400	0 / 0	9
8500	P1916H1 Matrix Rank (Easy Version) brute force combinatorics dp math matrices *2700	0 / 0	10
8499	P1916H2 Matrix Rank (Hard Version) combinatorics dp math matrices string suffix structures *2700	0 / 0	10
8479	P1919F2 Wine Factory (Hard Version) data structures dp flows greedy matrices *2800	0 / 0	10
8454	P1924C Fractal Origami geometry math matrices *2400	0 / 0	9
8566	P1970E2 Trails (Medium) dp matrices *2000	0 / 0	7
8565	P1970E3 Trails (Hard) dp matrices *2200	0 / 0	8

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