matrices - 题库 - CZOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	575	P1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	10
	573	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	普及/提高-
	558	P1701F Points combinatorics data structures implementation math matrices *2500	0 / 0	9
	480	P1713E Cross Swapping 2-sat data structures dsu greedy matrices *2400	0 / 0	9
	297	P1743F Intersection and Union data structures dp matrices probabilities *2300	0 / 0	8
	222	P1761E Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers *2400	0 / 0	9
	8517	P1808E2 Minibuses on Venus (medium version) combinatorics divide and conquer dp matrices *2500	0 / 0	9
	8729	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar math matrices number theory trees	0 / 0	暂无评定
	8880	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	8921	P1952A Are You a Robot, Again? expression parsing graphs matrices strings	0 / 0	暂无评定
	8916	P1952F Grid brute force divide and conquer expression parsing matrices	0 / 0	暂无评定
	9076	P1970E2 Trails (Medium) dp matrices *2000	0 / 0	NOI/NOI+/CTSC
	9075	P1970E3 Trails (Hard) dp matrices *2200	0 / 0	8
	9021	P1980E Permutation of Rows and Columns constructive algorithms data structures greedy hashing math matrices sortings	0 / 0	暂无评定

根据当前过滤条件随机选择一道题