Mengyu Zhang@mzhangSoftware Engineer at MicrosoftUnited StatesFollowAboutEducationUniversity of Chicago, ChicagoMore about meAmateurBadgesProblem SolvingSqlEducationUniversity of Chicago, ChicagoRatingsSubmissionsUser has not solved any challenges yet.Contest History024User has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.