uses crt; var i,n,d,j:longint; a:array[1..1000]of longint; begin clrscr; write('Nhap n: ');readln(n); for i:=1 to n do begin write('a[',i,']= ');readln(a[i]); end; for i:=1 to n do begin d:=0; for j:=1 to n do if a[i]=a[j] then inc(d); writeln(a[i],': ',d); end; readln end.
