Expose mu and sigma
Expose mu and sigma


Former-commit-id: 36e1f1068e0b131d4e8bb7d28e2cfd5c27733149
yangle/HaliteIO,HaliteChallenge/Halite,HaliteChallenge/Halite-II,HaliteChallenge/Halite,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,lanyudhy/Halite-II,yangle/HaliteIO,lanyudhy/Halite-II,lanyudhy/Halite-II,HaliteChallenge/Halite,yangle/HaliteIO,HaliteChallenge/Halite-II,HaliteChallenge/Halite,HaliteChallenge/Halite,HaliteChallenge/Halite,lanyudhy/Halite-II,HaliteChallenge/Halite-II,yangle/HaliteIO,yangle/HaliteIO,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,yangle/HaliteIO,HaliteChallenge/Halite,HaliteChallenge/Halite-II,lanyudhy/Halite-II,yangle/HaliteIO,HaliteChallenge/Halite,HaliteChallenge/Halite,HaliteChallenge/Halite-II,HaliteChallenge/Halite,yangle/HaliteIO,HaliteChallenge/Halite-II,lanyudhy/Halite-II,yangle/HaliteIO,HaliteChallenge/Halite,HaliteChallenge/Halite,lanyudhy/Halite-II,lanyudhy/Halite-II,HaliteChallenge/Halite-II,yangle/HaliteIO,yangle/HaliteIO,lanyudhy/Halite-II,HaliteChallenge/Halite-II,HaliteChallenge/Halite-II,yangle/HaliteIO,lanyudhy/Halite-II,lanyudhy/Halite-II