71 users have solved this problem:

spdskatr, pmoore, he, iamnumber4, hmm789, Lvl9001Wizard, Gomango999, testcoder, dumpy, quanlin, henryho2, Uncle_Zhu, emilyz, owenl131, evanl, jqxcz, Annabel1234, SugmaNuttss, hoangxuanbach, minhnhatnoe, harrysun2006, Yuuron, clairesyd, warren_huang, user, davinformatics, Edward, xiaoxiong, xiaomao, eds, Ghetto, LSC, WenDidIAsk, jadent, nathanael, kidneythedolphin, programmer123, ndosh, yashb_9a3b, dorian, racvlae, robinz, dylanp, Sirhc_47, Double_Slash, Philip_cpp, aerobull42, horiseun, jmuzhen, lion, pony_joe1, Matthewwww, Uasoni2, Lucas4732, Lithanium, OoogaDooga, blx330, caterpillow, Supermarine_Spitfire, SirLemonMeringue, trollkilung, doantronganh2008, HelperTcell, TheEpicCowOfLife, Nosna, icaijy, Curious_Pengu, newai, sandworm, Andy, James