);\rif(code==-l)\rreturn;\rif (cp==NULL)\rprintf ("ÐËld /aËs ¯"ÛÜWXÂ \n^, term, coc[code]);\relse\r{ prinlf (\n d?eøù8úp±)\rscanf (ûd%d”, &min, &max);\rgetchar ();\rprintf (z\n d?eü\n);\rprintf (* ===========\n/z);\rprintf (“ d?eý/3d þij%3d\n, min, max);\rprintf("\n)\rregion(cp->mp, dp, class, min, max);\rprintf ("îïðæñò\n)\rgetchar ();\r)\r)\r)\rvoid region(MPOINT *mp, DPOINT *dp,int class, int min, int max)\r{ int mark, m;.\rif(mp!=NULL)\r{ mark=mp->grade;\rif (mark<=max)\rregion(mp->l 1, dp, class, min, max);\rif(mark<=max&&mark>=min)\r{ m=mp->num;\rprintf (%8d %13s%14d\nz, m, dp->stu [m-1]. dname, mark);\r)\rif(mark>min)\r1'egion(mp->rl, dp, class, min, max);\r)