Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00519435306716%5.5Harden
A+B Problem0.03512609127310%6.6Harden
Boxes0.0652652103139%3.3Mediumen
Classrooms0.0520512808205516%4.4Mediumen
Crazy Driver0.005188957330%4.0Mediumen
Curious Cupid0.0595579223930%6.3Harden
Dim Sum0.088991494228%8.1Harden
Let's Meet0.0096267413220%8.8Harden
Palindromes0.09147272114821%7.8Harden
Take Two Stones0.005768804214055%1.2Easyen
k-Colouring of a Graph0.0319341944724%8.5Harden