math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1852	P1617C Paprika and Permutation binary search greedy math sortings *1300	2 / 4	10
	6222	P1617D2 Too Many Impostors (hard version) constructive algorithms implementation interactive math *2400	0 / 0	(None)
	6223	P1618A Polycarp and Sums of Subsequences math sortings *800	0 / 0	(None)
	6224	P1618C Paint the Array math *1100	0 / 0	(None)
	6225	P1618E Singers' Tour constructive algorithms math *1700	0 / 0	(None)
	6226	P1618F Reverse bitmasks constructive algorithms dfs and similar implementation math strings *2000	0 / 0	(None)
	6228	P1619B Squares and Cubes implementation math *800	0 / 0	(None)
	6230	P1619E MEX and Increments constructive algorithms data structures dp greedy implementation math sortings *1700	0 / 0	(None)
	6231	P1619F Let's Play the Hat? brute force constructive algorithms greedy math *2000	0 / 0	(None)
	6234	P1620B Triangles on a Rectangle geometry greedy math *1000	0 / 0	(None)
	6238	P1621C Hidden Permutations dfs and similar interactive math *1700	0 / 0	(None)
	6242	P1622A Construct a Rectangle geometry math *800	0 / 0	(None)
	6244	P1622D Shuffle combinatorics math two pointers *2000	0 / 0	(None)
	6245	P1622F Quadratic Set constructive algorithms hashing math number theory *2900	0 / 0	(None)
	6246	P1623A Robot Cleaner brute force implementation math *800	0 / 0	(None)
	6248	P1623D Robot Cleaner Revisit implementation math probabilities *2300	0 / 0	(None)
	6249	P1624A Plus One on the Subset math *800	0 / 0	(None)
	6250	P1624C Division by Two and Permutation constructive algorithms flows graph matchings greedy math *1100	0 / 0	(None)
	6254	P1625D Binary Spiders bitmasks data structures implementation math sortings trees *2300	0 / 0	(None)
	6257	P1626D Martial Arts Tournament binary search brute force greedy math *2100	0 / 0	(None)

Pick a problem randomly based on the current filter.