Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00519679311016%5.8Harden
A+B Problem0.03512794129910%6.6Harden
Boxes0.0652677103939%3.4Mediumen
Classrooms0.0520513134210316%4.4Mediumen
Crazy Driver0.005191357830%4.1Mediumen
Curious Cupid0.0595580524731%6.2Harden
Dim Sum0.088991544630%8.0Harden
Let's Meet0.0096267613420%8.8Harden
Palindromes0.09147274515821%7.4Harden
Take Two Stones0.005774444246955%1.2Easyen
k-Colouring of a Graph0.0319342075024%8.9Harden