题目ID	标题	来源	正确数	通过率
5228-HDU	ZCC loves straight flush	BestCoder Round #41	0	----%
5229-HDU	ZCC loves strings	BestCoder Round #41	0	----%
5230-HDU	ZCC loves hacking	BestCoder Round #41	0	----%
5231-HDU	ZCC loves math	BestCoder Round #41	0	----%