"I don't know if they are geniuses or if they practice this stuff every day." It's not an either/or question though =) By most common definitions, the guys at

"I don't know if they are geniuses or if they practice this stuff every day." It's not an either/or question though =) By most common definitions, the guys at the top, specially those that reach the finals are "geniuses" at algorithmic problem solving, yes.