Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
0-1 Sequences0.00814455234853%4.9Mediumen
A+B Problem0.03461224788239%5.5Harden
Boxes0.0631885173286%3.4Mediumen
Classrooms0.051762062141869%5.0Mediumen
Crazy Driver0.0011053343982%4.5Mediumen
Curious Cupid0.0595521915269%6.2Harden
Dim Sum0.08899833340%9.1Harden
Let's Meet0.009621076561%8.4Harden
Palindromes0.0914722008643%7.0Harden
Take Two Stones0.006418564016696%1.2Easyen
k-Colouring of a Graph0.031934513059%8.9Harden