#include <iostream>
#include <set>
#include <algorithm>
int
main
(
)
{
std
::
set
<
int
>
odd
=
{
1
,
3
,
5
}
;
std
::
set
<
int
>
even
=
{
2
,
4
,
6
}
;
std
::
set
<
int
>
s
;
std
::
merge
(
odd
.
begin
(
)
,
odd
.
end
(
)
,
even
.
begin
(
)
,
even
.
end
(
)
,
std
::
inserter
(
s
,
s
.
begin
(
)
)
)
;
for
(
auto
const
&e
:
s
)
{
std
::
cout
<<
e
<<
‘ ‘
;
}
return
0
;
}