Problem Name Time Limit
A - Average distance 10s
B - Happy Tree Friends 3s
C - Rendezvous 8s
D - Lightning Energy Report 3s
E - Distance Query [Very Special Judge] 1s
F - Tree Query [Very Special Judge] 2s
G - ...Wait for it... [Very Special Judge] 3s

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