Problems from Programming Battle, contest Beta

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Coupons	0.04	841	206	32	16%	9.1Hard	en
Forest Construction	0.00	641	344	63	18%	6.9Hard	en
Horse in Ambush	0.00	411	342	28	8%	9.2Hard	en