Shimi Zhang@ctzsmUnited StatesFollowAboutCurrentHackerRankEducationChongqing University, ChongqingBadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatisticsSqlRubyVerified SkillsNo certificatectzsm has not earned any certificates yet. Work ExperienceHackerRank EducationNorthwestern University, EvanstonComputer Science, MS Chongqing University, ChongqingBS