20 users have solved this problem:

spdskatr, sidpark1, eddieee, he, iamnumber4, evanl, Gomango999, suftware, JimJim1991, testcoder, mohnishdeshpande, yuruizi, trangim, itisalex, D3LT4_123, hyeoniuwu, dumpy, quanlin, lion, WC6479