Problems from Hong Kong Regional Online Preliminary 2016

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
0-1 Sequences0.00814621248154%3.9Mediumen
A+B Problem0.02461227890440%5.4Mediumen
Boxes0.0631887575486%3.4Mediumen
Classrooms0.021762158150370%4.5Mediumen
Crazy Driver0.0011053444283%4.4Mediumen
Curious Cupid0.0595522015470%6.0Harden
Dim Sum0.08899863541%9.0Harden
Let's Meet0.009621167262%7.9Harden
Palindromes0.0914722068943%7.0Harden
Take Two Stones0.006423994069796%1.1Easyen
k-Colouring of a Graph0.031934543157%8.9Harden