题目ID	标题	来源	正确数	通过率
1617-POJ	Crypto Columns	East Central North America 2003	0	----%
1618-POJ	Decorations	East Central North America 2003	0	----%
1619-POJ	EKG Sequence	East Central North America 2003	0	----%
1620-POJ	Phone Home	East Central North America 2003	0	----%
1621-POJ	Polly Nomials	East Central North America 2003	0	----%
1622-POJ	Pushing Boxes	East Central North America 2003	0	----%
1623-POJ	Squadtrees	East Central North America 2003	0	----%
1624-POJ	This Takes the Cake	East Central North America 2003	0	----%