Shimi Zhang@ctzsmFollow BadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatisticsSqlRuby Certificationsctzsm has not earned any certificates yet. Work ExperienceHackerRankEducationNorthwestern University, EvanstonComputer Science, MSChongqing University, ChongqingBSLinksLinkedinhttps://www.linkedin.com/in/ctzsmPortfoliohttp://www.ctzsm.com Skillsctzsm has not updated skills details yet.