list of classical problems

97968-hangzhou-2008-3

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3360	Digital Image Recognition		27	20.69
5142	A Pair of Graphs	1	68	53.96	17 17
5143	Binary Integer		52	50.40
5144	Cryptography Reloaded (Act I)		34	26.43
5145	Déjà vu		17	19.26
5146	Experiment on a … Cable		13	34.21
5147	Fire-Control System		32	19.43	34 17
5148	Get-Together at Stockholm	1	55	47.90	1 17
5149	History of Languages		30	16.89
5150	Junk-Mail Filter		128	21.02