Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	8940	P1916D Mathematical Problem brute force constructive algorithms geometry math *1700	0 / 0	5
	8939	P1916E Happy Life in University data structures dfs and similar greedy trees *2300	0 / 0	8
	8938	P1916F Group Division constructive algorithms dfs and similar graphs greedy *2900	0 / 0	10
	8937	P1916G Optimizations From Chelsu divide and conquer dp number theory trees *3500	0 / 0	10
	8936	P1916H1 Matrix Rank (Easy Version) brute force combinatorics dp math matrices *2700	0 / 0	10
	8935	P1916H2 Matrix Rank (Hard Version) combinatorics dp math matrices string suffix structures *2700	0 / 0	10
	8934	P1917A Least Product constructive algorithms math *800	0 / 0	3
	8933	P1917B Erase First or Second Letter brute force combinatorics data structures dp strings *1100	0 / 0	3
	8932	P1917C Watering an Array brute force greedy implementation math *1600	0 / 0	5
	8931	P1917D Yet Another Inversions Problem combinatorics data structures dp implementation math number theory *2300	0 / 0	8
	8930	P1917E Construct Matrix constructive algorithms math *2500	0 / 0	9
	8929	P1917F Construct Tree bitmasks constructive algorithms dp trees *2500	0 / 0	9
	8928	P1919A Wallet Exchange greedy math *800	0 / 0	3
	8927	P1919B Plus-Minus Split greedy *800	0 / 0	3
	8926	P1919C Grouping Increases data structures dp greedy *1400	0 / 0	4
	8925	P1919D 01 Tree constructive algorithms data structures divide and conquer dp greedy implementation sortings trees *2100	0 / 0	7
	8924	P1919E Counting Prefixes combinatorics constructive algorithms dp math *2600	0 / 0	10
	8923	P1919F1 Wine Factory (Easy Version) data structures greedy *2300	0 / 0	8
	8922	P1919F2 Wine Factory (Hard Version) data structures dp flows greedy matrices *2800	0 / 0	10
	8921	P1919G Tree LGM constructive algorithms games trees *3500	0 / 0	10

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