Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	138	P1621B Integers Shop data structures greedy implementation *1500	0 / 0	(None)
	137	P1621C Hidden Permutations dfs and similar interactive math *1700	0 / 0	(None)
	136	P1621D The Winter Hike constructive algorithms greedy math *2100	0 / 0	(None)
	135	P1621E New School binary search data structures dp greedy implementation sortings *2300	0 / 0	(None)
	134	P1621F Strange Instructions data structures greedy implementation *2700	0 / 0	(None)
	133	P1621G Weighted Increasing Subsequences data structures dp math *3200	0 / 0	(None)
	132	P1621H Trains and Airplanes dfs and similar graphs shortest paths trees *3500	0 / 0	(None)
	131	P1621I Two Sequences data structures hashing string suffix structures *3500	0 / 0	(None)
	130	P1622A Construct a Rectangle geometry math *800	0 / 0	(None)
	129	P1622B Berland Music data structures greedy math sortings *1000	0 / 0	(None)
	128	P1622C Set or Decrease binary search brute force greedy sortings *1600	0 / 0	(None)
	127	P1622D Shuffle combinatorics math two pointers *2000	0 / 0	(None)
	126	P1622E Math Test bitmasks brute force greedy *2200	0 / 0	(None)
	125	P1622F Quadratic Set constructive algorithms hashing math number theory *2900	0 / 0	(None)
	124	P1623A Robot Cleaner brute force implementation math *800	0 / 0	(None)
	123	P1623B Game on Ranges brute force dfs and similar implementation sortings *1100	0 / 0	(None)
	122	P1623C Balanced Stone Heaps binary search greedy *1600	0 / 0	(None)
	121	P1623D Robot Cleaner Revisit implementation math probabilities *2300	0 / 0	(None)
	120	P1623E Middle Duplication data structures dfs and similar greedy strings trees *2500	0 / 0	(None)
	119	P1624A Plus One on the Subset math *800	0 / 0	(None)

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