题目ID	标题	来源	正确数	通过率
3191-HDU	How Many Paths Are There	HDU 2009-12 Programming Contest	0	----%
3193-HDU	Find the hotel	HDU 2009-12 Programming Contest	0	----%
3194-HDU	Median	HDU 2009-12 Programming Contest	0	----%
3195-HDU	Interesting Numbers	HDU 2009-12 Programming Contest	0	----%
3196-HDU	Let’s Ship	HDU 2009-12 Programming Contest	0	----%
3197-HDU	Game	HDU 2009-12 Programming Contest	0	----%
3198-HDU	Play on Words	HDU 2009-12 Programming Contest	0	----%