Practice Problems

	Title		Tags
27A	Distinct Candies	Easy	MathConstructive algorithms	121/125
27B	Maximum Swap Score	Medium	PermutationsGreedy+2	83/89
27C	One More Dance	Medium	SortingGreedy+1	61/67
27D	A Bite Too Late	Medium	GamesGreedy+1	38/45
27E	Chopsticks	Hard	GraphsDSU+2	13/16
27F	Cooling Sushi	Hard	GamesGreedy+2	2/4
27G	Soap Warehouse	Hard	TreesGreedy+3	1/1
26A	Opening the Bags	Easy	MathGreedy+1	107/110
26B	The Last Block	Medium	ArraysDP+1	52/64
26C	Which Window?	Medium	ArraysDifference arrays+2	53/56
26D	Forgotten Map	Medium	TreesCombinatorics+1	32/35
26E	Halving	Medium	StringsTrees	21/22
26F	Carpet Exhibition	Hard	Dynamic ProgrammingIntervals+1	11/16
25A	Group Photos	Easy	Math	90/94
25B	One More Merge	Easy	GreedyMath	75/77
25C	Compression Space	Easy	Greedy	64/66
25D	Prefix Permutation	Easy	Greedy	18/30
25E	Colored Pencils	Medium	Greedy	8/11
25F	Single Route	Medium	GraphDag	3/4
25G	Empty Sofa	Medium	Greedy	3/3