Program qw;
uses crt;
Type
Atlas=Record
country,capital:string;
area,people:real;
end;
ps=File of atlas;
Var f:ps;
z,t:atlas;
Begin
assign(f,'1.dat');
rewrite(f);
z.country:='Латвия'; z.area:=67.7;
z.people:=2.6; z.capital:='Рига';
write(f,z);
z.country:='Литва'; z.area:=65.2;
z.people:=3.4; z.capital:='Вильнюс';
write(f,z);
z.country:='Польша'; z.area:=313;
z.people:=34.8; z.capital:='Варшава';
write(f,z);
z.country:='Украина'; z.area:=603.7;
z.people:=50; z.capital:='Киев';
write(f,z);
z.country:='Россия'; z.area:=17075.4;
z.people:=139; z.capital:='Москва';
write(f,z);
Close(f);
assign(f,'1.dat');
reset(f);
read(f,t);
while not(eof(f)) do
begin
read(f,z);
if t.people/t.area < z.people/z.area then t:=z;
end;
close(f);
writeln('Cтранa с наибольшей плотностью населения:');
writeln(t.country,' (плотность населения равна ',t.people/t.area:9:6,' млн на кв.км)');
end.
Public Class Form1
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Randomize()
TextBox1.Text = ""
Dim n As Integer = 10
Dim array(n) As Integer
Dim summa, number As Integer
Dim i As Integer
summa = 0
number = 0
For i = 1 To n Step 1
array(i) = Int((100 * Rnd()) + 1)
TextBox1.Text = TextBox1.Text & array(i) & " "
If array(i) Mod 2 = 0 Then
summa = summa + array(i)
number = number + 1
End If
Next i
Label1.Text = "Сумма всех положитеьных чисел равна " & summa & ". И количество их равно " & number
End Sub
End Class
