They changed the puzzle inside of the Snowpoint Gym, but it's still basically the same; just slide around on the ice and smash the snowballs. Candice is unfortunately the Gym Leader I was most worried about for my team due to its blatant weakness to Ice, but oh well, at least it's out of the way. Remember to watch out for that Hail + Blizzard combo! And Froslass evasion hax!