Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	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)
	6232	P1619H Permutation and Queries brute force data structures divide and conquer two pointers *2400	0 / 0	(None)
	6233	P1620A Equal or Not Equal constructive algorithms dsu implementation *800	0 / 0	(None)
	6234	P1620B Triangles on a Rectangle geometry greedy math *1000	0 / 0	(None)
	6235	P1620D Exact Change brute force constructive algorithms greedy *2000	0 / 0	(None)
	6236	P1620F Bipartite Array dp greedy *2800	0 / 0	(None)
	6237	P1621A Stable Arrangement of Rooks constructive algorithms *800	0 / 0	(None)
	6238	P1621C Hidden Permutations dfs and similar interactive math *1700	0 / 0	(None)
	6239	P1621E New School binary search data structures dp greedy implementation sortings *2300	0 / 0	(None)
	6240	P1621F Strange Instructions data structures greedy implementation *2700	0 / 0	(None)
	6241	P1621H Trains and Airplanes dfs and similar graphs shortest paths trees *3500	0 / 0	(None)
	6242	P1622A Construct a Rectangle geometry math *800	0 / 0	(None)
	6243	P1622C Set or Decrease binary search brute force greedy sortings *1600	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)
	6247	P1623B Game on Ranges brute force dfs and similar implementation sortings *1100	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)

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