Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
0-1 Sequences0.00520899330516%5.5Harden
A+B Problem0.03514409153311%6.2Harden
Boxes0.0652821111439%3.2Mediumen
Classrooms0.0517615176248216%3.9Mediumen
Crazy Driver0.005217665030%4.5Mediumen
Curious Cupid0.05955134325619%6.0Harden
Dim Sum0.088993225316%9.1Harden
Let's Meet0.0096274114019%8.2Harden
Palindromes0.09147287517320%7.3Harden
Take Two Stones0.005819274486455%1.2Easyen
k-Colouring of a Graph0.0319343116521%8.8Harden