list of classical problems

97968-hangzhou-2008-3

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3360	Digital Image Recognition		27	19.42
5142	A Pair of Graphs	1	68	54.35	17 17
5143	Binary Integer		49	49.59
5144	Cryptography Reloaded (Act I)		33	26.16
5145	Déjà vu		16	19.23
5146	Experiment on a … Cable		12	41.38
5147	Fire-Control System		31	18.97	34 17
5148	Get-Together at Stockholm	1	49	45.13	1 17
5149	History of Languages		27	15.54
5150	Junk-Mail Filter	1	125	20.65