90 users have solved this problem:

boboquack, spdskatr, pmoore, emilyz, HSIENXIN, HexToast, eddieee, he, Edward, warren_huang, tomister99, janpolaris, Gomango999, iamnumber4, purplepygmypuff, jqxcz, lion, mohnishdeshpande, doublerun, SugmaNuttss, Annabel1234, schua704, quanlin, testcoder, WC6479, dumpy, jszqlew, turbo8282, horiseun, henryho2, evanl, a_user, pox, hoangxuanbach, uylulu, binbau10, user, Yuuron, alexanyu, Owen24, kapten_yeetmstr, davinformatics, yuruizi, Yichen, newai, WenDidIAsk, Ghetto, ndosh, AnshS, programmer123, lupispuma74, BigD, xiaoxiong, dorian, Philip_cpp, Wilsonytan14, loctildore, Sirhc_47, jomole17, Double_Slash, SirLemonMeringue, Matthewwww, ad_red, qwerty1, moch, Lucas4732, Uasoni2, jmuzhen, mn2o7, pony_joe1, ralismark, OoogaDooga, dusky, Lithanium, Supermarine_Spitfire, jenny, PeaceOfCake, Nosna, Chez, sssss, dungbetele, wap, Nhom9, doantronganh2008, BuMiTa, hienng, freecoder_123, PhanAnh628, trollkilung, orac