Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00519200300616%5.8Harden
A+B Problem0.034651232011459%7.3Harden
Boxes0.06318247795138%3.7Mediumen
Classrooms0.0525910517160715%5.7Harden
Crazy Driver0.005154253034%4.0Mediumen
Curious Cupid0.05955126623919%6.3Harden
Dim Sum0.088991114238%7.6Harden
Let's Meet0.0096267612919%8.7Harden
Palindromes0.09203867412819%7.9Harden
Take Two Stones0.005737554037055%1.3Easyen
k-Colouring of a Graph0.0319342004924%8.8Harden