list of classical problems

97968-hangzhou-2008-3

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3360	Digital Image Recognition		28	20.48
5142	A Pair of Graphs	1	70	54.23	17 17
5143	Binary Integer		53	50.00
5144	Cryptography Reloaded (Act I)		34	26.43
5145	Déjà vu		17	14.94
5146	Experiment on a … Cable		16	36.36
5147	Fire-Control System		37	22.40	34 17
5148	Get-Together at Stockholm	1	56	48.36	1 17
5149	History of Languages		32	17.70
5150	Junk-Mail Filter		149	22.56