Problems by Walter Guttmann

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bridging the Gap	0.28	1196	21	11	52%	7.8Hard	en
Common Subexpression Elimination	0.14	668	123	94	76%	6.8Hard	en
Three Kinds of Dice	0.04	2476	21	17	81%	4.3Medium	en
Waterworld	0.01	40	146	136	93%	2.2Easy	en