机译:A tight approximation algorithm for problem P2→Dv=1,c=1Cmaxdocumentclass12pt{minimal} usepackage{amsmath} usepackage{wasysym} usepackage{amsfonts} usepackage{amssymb} usepackage{amsbsy} usepackage{mathrsfs} usepackage{upgreek} setlength{oddsidemargin}{-69pt} begin{document}$$P2rightarrow Dv=1,c=1C_{max }$$end{document}