math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9238	P1954A Painting the Ribbon constructive algorithms greedy math *900	0 / 0	3
	9237	P1954B Make It Ugly implementation math *1200	0 / 0	4
	9236	P1954C Long Multiplication greedy math number theory *1200	0 / 0	4
	9235	P1954D Colored Balls combinatorics dp math sortings *1800	0 / 0	6
	9234	P1954E Chain Reaction binary search data structures dsu greedy implementation math number theory *2200	0 / 0	8
	9233	P1954F Unique Strings combinatorics dp math *3100	0 / 0	10
	9232	P1955A Yogurt Sale math *800	0 / 0	3
	9230	P1955C Inhabitant of the Deep Sea greedy implementation math *1300	0 / 0	4
	9227	P1955F Unfair Game dp games greedy math schedules *1800	0 / 0	6
	9226	P1955G GCD on a grid brute force dfs and similar dp implementation math number theory *1900	0 / 0	6
	9222	P1956C Nene's Magical Matrix constructive algorithms greedy math *1600	0 / 0	5
	9221	P1956D Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math *2000	0 / 0	7
	9220	P1956E1 Nene vs brute force implementation math *2500	0 / 0	9
	9219	P1956E2 Nene vs brute force greedy implementation math *2700	0 / 0	10
	9215	P1957C How Does the Rook Move? combinatorics dp math *1600	0 / 0	5
	9214	P1957D A BIT of an Inequality bitmasks brute force dp math *1900	0 / 0	6
	9213	P1957E Carousel of Combinations brute force combinatorics dp math number theory *2400	0 / 0	9
	9210	P1965A Everything Nim games greedy math sortings *1400	0 / 0	4
	9202	P1967A Permutation Counting binary search greedy implementation math sortings *1400	0 / 0	4
	9201	P1967B1 Reverse Card (Easy Version) brute force math number theory *1400	0 / 0	4

Pick a problem randomly based on the current filter.