Program z1;
const N=10;
var
i,k:integer;
a:array [1..N] of integer;
begin
for i:=1 to N do
readln (a [i]);
for i:=1 to N do
begin
if (a [i] mod 2 = 0) then
write (a [i]);
end;
for k:=10 downto 1 do
begin
if (a [k] mod 2 = 1) then
write (a [k]);
end;
end.
var D,R:integer;
begin
writeln('Введите значение R: ');
readln(r);
D:=2*R;
writeln('D = ',D);
end.
Ответ:
program Change;
var
n, i, j, t: Integer;
A: array of Integer;
begin
Write ('Введите четное число N: ');
ReadLn (n);
if n mod 2 = 0 then begin
SetLength (A, n);
Randomize;
for i := Low (A) to High (A) do begin
A [i] := Random (100);
Write (A [i] :3, ' ');
end;
i := 0;
while i < n do begin
t := A [i];
A [i] := A [i + 1];
A [i + 1] := t;
i := i + 2;
end;
WriteLn;
for i := Low (A) to High (A) do begin
Write (A [i] :3, ' ');
end;
end else
WriteLn ('Введено не четное число.');
ReadLn;
end.
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