Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00519467306716%5.5Harden
A+B Problem0.03512767125310%6.6Harden
Boxes0.0652626101739%3.5Mediumen
Classrooms0.0525910811166315%5.7Harden
Crazy Driver0.005180955030%4.0Mediumen
Curious Cupid0.05955126723919%6.3Harden
Dim Sum0.088991394230%8.1Harden
Let's Meet0.0096268213320%8.8Harden
Palindromes0.09147271314420%8.0Harden
Take Two Stones0.005747474094455%1.2Easyen
k-Colouring of a Graph0.0319342014924%8.8Harden