1.
var
a: integer;
begin
readln(a);
if ((a mod 10) mod 2 = 0) and ((a mod 100) mod 2 = 0) then writeln('да')
else writeln('нет');
end.
2.
var
a, max: integer;
begin
readln(a);
max : = -1;
while a < > 0 do
begin
if ((a mod 10) mod 2 = 0) and ((a mod 10) mod 2 > max) then max : = (a mod 10) mod 2;
a : = a div 10;
end;
if max < > -1 then writeln(max)
else writeln('');
end.
3.
var
mas: array[0..19] of integer;
sum, i: integer;
begin
randomize;
sum : = 0;
for i : = 0 to 19 do
begin
mas[i] : = -45 + random(1 + 45 + 55);
if (mas[i] mod 2 = 0) and (mas[i] > 0) then sum += mas[i];
end;
writeln(sum);
end.
const
n = 9; //константа может быть любой
type
mas = array[0..n] of integer; //тип задал только для процедуры, без подпрограмм отдельный тип не нужен
procedure copy_mas(var a, b: mas);
var
i, i1: integer;
begin
i1 : = 0;
for i : = 0 to n do
if (a[i] > = 0) and (a[i] < = 10) then
begin
b[i1] : = a[i];
i1 += 1;
end;
end;
var
h: array [1..8] of real;
i: byte;
begin
writeln('vvedite 8 chisel');
for i:=1 to 8 do read(h[i]);
for i:=1 to 8 do begin
if h[i]<0 then writeln(h[i]);
end;
end.