2018 ACM-ICPC Qingdao Online Contest

A. Live Love

solved by ybmj. 0:06(+)

B. Red Black Tree

solved by CSL. 3:49(+1)

C. Halting Problem

solved by ybmj. 0:47(+)

H. Traveling on the Axis

solved by CSL. 0:45(+)

G. Couleur

upsolved by ybmj.

J. Press the Button

solved by moira. 2:40(+1)

K. XOR Clique

solved by ybmj. 0:13(+)