Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00519520309116%5.5Harden
A+B Problem0.03512716128410%6.7Harden
Boxes0.0652677103939%3.4Mediumen
Classrooms0.0520513045209816%4.3Mediumen
Crazy Driver0.005191057630%4.1Mediumen
Curious Cupid0.0595579824030%6.2Harden
Dim Sum0.088991534529%8.0Harden
Let's Meet0.0096267413220%8.8Harden
Palindromes0.09147273115221%7.5Harden
Take Two Stones0.005771164228855%1.2Easyen
k-Colouring of a Graph0.0319342035025%8.5Harden