39 users have solved this problem:

hollwo_pelw, rxw, TheEpicCowOfLife, henryho2, evanl, user, he, trangim, horiseun, testcoder, dumpy, lion, dylanp, Netanya, Bean, Gomango999, davinformatics, justin_g_20, programmer123, SirLemonMeringue, phoebe, ndosh, Magikarp4000, Ghetto, dorian, Double_Slash, Matthewwww, Philip_cpp, pony_joe1, ralismark, Lithanium, BigD, caterpillow, ar88lo, WenDidIAsk, AllOuttaLeeks, Vedang, aerobull42, iiliffe