Problem Name Time Limit
A - Putter(1) 20s
B - Floating Islands(1) 20s
C - Venn Diagram(1) [Special Judge] 20s
D - Overwriting Game(1) 20s
E - Magical Switches(1) [Special Judge] 20s
F - Ticket to Ride(1) 2s
G - Prime or Not(1) [Very Special Judge] 21s
H - Optimal Point(1) [Very Special Judge] 3s
I - Roadside Trees(1) [Very Special Judge] 5s
J - Little Artem and Graph(1) [Very Special Judge] 12s

Contest is over.
programmer: 劉邦鋒 pangfeng, 上官林傑 ericsk, 陳映睿 springgod, 王尹 cindylinz, 蕭俊宏 chhsiao.
Imager: 江昌鴻 senkousha.
modified by: 高紹航 denehs, 沈定 beephoenix, 馮俊菘 csferng, 黃上恩 tmt514