uses crt;
var a: array[1..100] of real;
i,n,k,j: integer;
begin
clrscr;
write('nhap n: '); readln(n);
for i:=1 to n do
begin
write('nhap a[',i,']: ');readln(a[i]);
end;
for i:=1 to n do
for j:=i+1 to n do
if a[i]>a[j] then
begin
k:=a[i];
a[i]:=a[j];
a[j]:=k;
end;
write('day sap xep tang dan la: ');
for i:=1 to n do write(a[i],' ');
readln
end.