题目ID	标题	来源	正确数	通过率
2573-HDU	Typing	HDU 2009-5 Programming Contest	0	----%
2574-HDU	Hdu Girls' Day	HDU 2009-5 Programming Contest	0	----%
2575-HDU	Count Problem	HDU 2009-5 Programming Contest	0	----%
2576-HDU	Another Sum Problem	HDU 2009-5 Programming Contest	0	----%
2577-HDU	How to Type	HDU 2009-5 Programming Contest	6	66.7%
2578-HDU	Dating with girls(1)	HDU 2009-5 Programming Contest	0	----%
2579-HDU	Dating with girls(2)	HDU 2009-5 Programming Contest	2	40.0%