Problems from Northwestern Europe Programming Contest (NWERC) 2004

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Pipes	0.12	2380	76	15	20%	9.4Hard	en
Pseudo-random Numbers	0.07	1671	28	11	39%	6.7Hard	en
SETI	0.00	391	240	155	65%	3.7Medium	en
Taxi Cab Scheme	0.02	1048	278	111	40%	6.2Hard	en
Watchdog	0.00	272	1342	709	53%	2.2Easy	en