Problems from Programming Battle, contest Beta

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Coupons	0.04	841	216	32	15%	9.2Hard	en
Forest Construction	0.00	641	353	64	18%	6.5Hard	en
Horse in Ambush	0.00	411	371	28	8%	9.3Hard	en