math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	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
	8928	P1919A Wallet Exchange greedy math *800	0 / 0	3
	8924	P1919E Counting Prefixes combinatorics constructive algorithms dp math *2600	0 / 0	10
	9004	P1920A Satisfying Constraints brute force greedy math *800	0 / 0	3
	9003	P1920B Summation Game games greedy math sortings *1100	0 / 0	3
	9002	P1920C Partitioning the Array brute force math number theory *1500	0 / 0	5
	9001	P1920D Array Repetition binary search brute force dsu implementation math *1800	0 / 0	6
	9000	P1920E Counting Binary Strings combinatorics dp math *2100	0 / 0	7
	8997	P1921A Square greedy math *800	0 / 0	3
	8995	P1921C Sending Messages greedy math *900	0 / 0	3
	8993	P1921E Eat the Chip brute force games greedy math *1600	0 / 0	5
	8992	P1921F Sum of Progression brute force data structures dp implementation math *1900	0 / 0	6
	8989	P1922B Forming Triangles combinatorics constructive algorithms math sortings *1200	0 / 0	4
	8988	P1922C Closest Cities greedy implementation math *1300	0 / 0	4
	8987	P1922D Berserk Monsters brute force data structures dsu implementation math *1900	0 / 0	6
	8986	P1922E Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math *1800	0 / 0	6
	8983	P1924B Space Harbour data structures implementation math sortings	0 / 0	(None)
	8982	P1924C Fractal Origami geometry math matrices	0 / 0	(None)
	8981	P1924D Balanced Subsequences combinatorics dp math	0 / 0	(None)

Pick a problem randomly based on the current filter.