The contest ended, you can see Ranklist or Submit in HDOJ.

BestCoder Round #53 (div.2)

Ended

2015-08-29 19:00:00 - 2015-08-29 21:00:00 Current Time: 1732246292

Pro.ID	Title	Ratio(Accepted / Submitted)	Language
1001	Rikka with Graph	30.07% (353/1174)	中文
1002	Rikka with Tree	25.4% (207/815)	中文
1003	Rikka with Graph II	4.4% (27/614)	中文
1004	Rikka with Tree II	11.11% (1/9)	中文