Problems by Walter Guttmann

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Bridging the Gap	0.29	1196	95	10	11%	8.3Hard	en
Common Subexpression Elimination	0.14	668	827	239	29%	5.9Hard	en
Three Kinds of Dice	0.04	2476	97	12	12%	4.8Medium	en
Waterworld	0.01	5	257	158	61%	2.1Easy	en