Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
0-1 Sequences0.00814355228552%5.2Mediumen
A+B Problem0.03461218383838%5.7Harden
Boxes0.0631875664786%3.4Mediumen
Classrooms0.051762030140069%4.6Mediumen
Crazy Driver0.0011053243983%4.5Mediumen
Curious Cupid0.0595521915269%6.2Harden
Dim Sum0.08899833340%9.1Harden
Let's Meet0.009621076561%8.4Harden
Palindromes0.0914721958343%7.0Harden
Take Two Stones0.006414283974096%1.2Easyen
k-Colouring of a Graph0.031934492959%9.0Harden