uses crt;
var a: array[1..100] of real;
i,n: integer;
min,max: real;
begin
clrscr;
write ('nhap n: '); readln (n);
for i:=1 to n do
begin
write ('nhap a[',i,']: '); readln (a[i]);
if a[i]>max then max:=a[i];
end;
min:=a[1];
for i:=2 to n do if min>a[i] then min:=a[i];
writeln ('so lon nhat: ',max:1:2);
writeln ('so nho nhat: ',min:1:2);
readln;
end.