combinatorics - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	8891	P1910I Inverse Problem special problem combinatorics dp 2700	0 / 0	10
	8888	P1912B Blueprint for Seating combinatorics divide and conquer math *2000	0 / 0	7
	8879	P1912K Kim's Quest bitmasks combinatorics dp *1800	0 / 0	6
	8952	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees *2100	0 / 0	7
	8951	P1914G2 Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp graphs hashing *2300	0 / 0	8
	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
	8933	P1917B Erase First or Second Letter brute force combinatorics data structures dp strings *1100	0 / 0	3
	8931	P1917D Yet Another Inversions Problem combinatorics data structures dp implementation math number theory *2300	0 / 0	8
	8924	P1919E Counting Prefixes combinatorics constructive algorithms dp math *2600	0 / 0	10
	9000	P1920E Counting Binary Strings combinatorics dp math *2100	0 / 0	7
	8989	P1922B Forming Triangles combinatorics constructive algorithms math sortings *1200	0 / 0	4
	8981	P1924D Balanced Subsequences combinatorics dp math	0 / 0	(None)
	8980	P1924E Paper Cutting Again combinatorics probabilities	0 / 0	(None)
	8976	P1925D Good Trip combinatorics dp math number theory probabilities	0 / 0	(None)
	9042	P1928F Digital Patterns combinatorics data structures implementation math *2900	0 / 0	10
	9038	P1929D Sasha and a Walk in the City combinatorics dp math trees *1900	0 / 0	6
	9036	P1929F Sasha and the Wedding Binary Search Tree brute force combinatorics data structures dfs and similar math trees *2300	0 / 0	8
	9030	P1930E 2..3...4... combinatorics dp math	0 / 0	(None)
	9026	P1930I Counting Is Fun combinatorics	0 / 0	(None)

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