Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00520459322416%6.1Harden
A+B Problem0.03513497137610%6.5Harden
Boxes0.0652763109240%3.4Mediumen
Classrooms0.0517613893221716%5.6Harden
Crazy Driver0.005208562930%4.6Mediumen
Curious Cupid0.05955129624919%6.3Harden
Dim Sum0.088992834917%9.2Harden
Let's Meet0.0096270513619%8.6Harden
Palindromes0.09147281116721%7.4Harden
Take Two Stones0.005803514395255%1.3Easyen
k-Colouring of a Graph0.0319342586324%8.9Harden