38 users have solved this problem:

pmoore, programmer123, evanl, he, dumpy, Netanya, user, alexanyu, lion, Gomango999, testcoder, phoebe, ndosh, SirLemonMeringue, Ghetto, Magikarp4000, dorian, Double_Slash, Philip_cpp, pony_joe1, jtia8705, Lithanium, caterpillow, aerobull42, ar88lo, Matthewwww, OneT_Chen, blx330, davinformatics, horiseun, anson, WenDidIAsk, Uasoni2, PythonSweat, junkbot, TheEpicCowOfLife, gongy, ifndef_INDEED_TIS_TRUE_HPP_,