44 users have solved this problem:

Matthewwww, ndosh, BigD, horiseun, KarL06, Supermarine_Spitfire, Uasoni2, caterpillow, Double_Slash, programmer123, awu, aerobull42, Lithanium, dusky, ad_red, chchn2507, phoebe, WenDidIAsk, user, davinformatics, BobTheScience, Ghetto, dorian, HappyCapybara, ja_kingy, Nosna, justin_g_20, kapten_yeetmstr, OoogaDooga, Andy, finehaveanormalusername, xiaoxiong, jenny, Conan, Lucas4732, sammochen, mtpedro, Sirhc_47, Vivek, testcoder, newai, meisean2009, ckccat, a_dude_who_fails_to_register,