{:3_53:}

500，这么快就被秒杀了

data raw;

  input nbr code;

  datalines;

13900000000 10102345

13900000000 10102346

13900000000 10102347

13900000000 10102348

13900000001 10102345

13900000001 10102346

13900000001 10102349

13900000002 10102345

13900000002 10102347

13900000002 10102349

13900000003 10102345

13900000003 10102346

13900000003 10102348

13900000003 10102349

;
run;
proc sort data=raw nodup;
  by code nbr;
run;
proc summary data=raw nway;
  var nbr;
  class code;
  output out=nbr_cnt(drop=_:) n=cnt;
run;
data cnt_2;
  set nbr_cnt;
  where cnt=2;
run;