47 users have solved this problem:

hollwo_pelw, awu, testcoder, henryho2, user, evanl, he, dusky, horiseun, sidpark1, tomister99, dumpy, lion, trangim, Gomango999, RileyO, programmer123, ndosh, phoebe, Magikarp4000, Ghetto, SirLemonMeringue, dorian, numb3r5, Double_Slash, Philip_cpp, pony_joe1, laeequejamdar, rokas, Uasoni2, ralismark, Lithanium, Matthewwww, caterpillow, BigD, WenDidIAsk, davinformatics, aerobull42, anson, BobTheScience, ar88lo, Vedang, Supermarine_Spitfire, chchn2507, junkbot, OoogaDooga, jenny,