using reduce on summing array
using reduce on summing array

kreynolds/classifier-reborn,ybur-yug/classifier,MadBomber/classifier-reborn,MadBomber/classifier-reborn,kreynolds/classifier-reborn,zuf/classifier,sanbiv/classifier-reborn,jekyll/classifier-reborn,sanbiv/classifier-reborn,jekyll/classifier-reborn