https://codility.com/train/
Stacks and Queues
Sigma2012
https://codility.com/train/
Leader
Dominator
https://codility.com/train/
Leader
EquiLeader
https://codility.com/train/
Leader
EquiLeader
Removed global state, used only function local variables and return values
fix bug with using index -1
Merge pull request #6 from andreypetrov/EquiLeader

Equi leader