program bai_giai; uses crt; var A:array[1..200] of integer; n,i,dd,da,d0:integer; begin clrscr; write('Nhap so phan tu: '); readln(n); dd:=0; da:=0; d0:=0; for i:=1 to n do begin write('Nhap phan tu thu ',i,': '); readln(A[i]); if A[i]>0 then dd:=dd+1; if A[i]<0 then da:=da+1; if A[i]=0 then d0:=d0+1; end; writeln('Co ',dd,' phan tu duong'); writeln('Co ',da,' phan tu am'); writeln('Co ',d0,' phan tu bang 0'); readln; end.
