185 users have solved this problem:

emilyz, jiefu_lu, he, testcoder, evanl, Gomango999, warren_huang, chicken5121, iamnumber4, _quantty_, ryangohca, kym2006, doublerun, sidpark1, henryho2, yan0035, trangim, eddieee, dorian, lsquang, godgenji, astronomer888, dumpy, datpham, ilt_cp_g, brchen, Edward, jszqlew, quanlin, Lvl9001Wizard, horiseun, lion, clairesyd, iamnumber1, bao3108, hiennoob, minhnhatnoe, Tuanlinh123, study, fake, Conan, Yuuron, THDH, Owen24, tomister99, lolgod2, hhyfirst, newai, JIASWANG, nwon511, Double_Slash, xiaoxiong, Chroqnne, UeliteEdu, AnshS, Ok, taa, hmm789, kidneythedolphin, WenDidIAsk, Eton, OraMaggio, purplepygmypuff, davinformatics, Paul, BurwoodChenFamily, wangy412, Trekr, RJtheLammie, Uasoni2, sheep, DudeyMcGee, Potato3218, AJR07, ndosh, James, user, pox, programmer123, 26yangri, taka, SirLemonMeringue, aerobull42, ly, JerryTheBerry, ruwayfim, Philip_cpp, Sirhc_47, lc, shengjun, pingshi, Matthewwww, numb3r5, moch, acesuk168, lucasgoldsmith, Daniel_Sun, turtlecoder, TheEpicCowOfLife, i3oop, haok, PythonSweat, flyswatter, anson, Ry, jmuzhen, dusky, OCIN, infernotower, Jyap, Ghetto, JustPhoenix, angus, hwy, Lucas4732, theghostking, narsue, Supermarine_Spitfire, caterpillow, Lithanium, awang, OoogaDooga, yashb_9a3b, a_user, aviannight123123, loctildore, KarL06, leahy99, roger754, Andy, ifndef_INDEED_TIS_TRUE_HPP_, ProperDiamond, albertzhong01, thomas, 31, LightingMcqueen, s1050613, bugs, mr_pika, Justin_Zhu, crispydarb, Bigloododo, ericgw, Eddie, gadun, teapot911911, RUSH_D_CAT, liangjeremy, meisean2009, CoolCat464, KablammoMan, AllOuttaLeeks, icaijy, robinz, nosna, jakeyg, Joker5267, subeents, jenny, WC6479, jLeonardo, mrmagic2020, wenzhuan, nian_1212, aaa, PeaceOfCake, KoiFishify, Nosna, cun8, Sandarach151, donk_eyes, emilyisbadatcoding, liammc, gelastropod, itsLQ, justin271828, zhehan_p, PenguinStalker7, Muyao_Zhang, jizongzhang, JustinWang, ml11108, lsjo, Blue__, no_talk_me_i_angy,