45 users have solved this problem:

ja_kingy, pmoore, he, dylanp, ryno, evanl, dumpy, rxw, TheEpicCowOfLife, henryho2, trangim, user, testcoder, tomister99, horiseun, newai, fisherman, loctildore, WenDidIAsk, numb3r5, justin_g_20, phoebe, awu, dorian, Giraffe, lion, programmer123, ndosh, Ghetto, Double_Slash, pony_joe1, Gomango999, Chez, Uasoni2, RonXueAlt, Matthewwww, Lithanium, davinformatics, ralismark, caterpillow, dusky, SirLemonMeringue, BigD, OoogaDooga, finehaveanormalusername