1
#include
<
iostream
>
2
#include
<
sstream
>
3
#include
<
cstring
>
4
using
namespace
std;
5
6
class
IntArray
7
{
8
enum
{ sz
=
5
};
9
int
i[sz];
10
public
:
11
IntArray()
12
{
13
memset(i,
0
, sz
*
sizeof
(
*
i));
14
}
15
int
&
operator
[](
int
x)
16
{
17
return
i[x];
18
}
19
friend ostream
&
operator
<<
(ostream
&
os,
const
IntArray
&
ia);
20
friend istream
&
operator
>>
(istream
&
is
, IntArray
&
ia);
21
};
22
23
ostream
&
operator
<<
(ostream
&
os,
const
IntArray
&
ia)
24
{
25
for
(
int
j
=
0
; j
<
ia.sz; j
++
)
26
{
27
os
<<
ia.i[j];
28
if
(j
!=
ia.sz
-
1
)
29
{
30
os
<<
"
,
"
;
31
}
32
}
33
os
<<
endl;
34
return
os;
35
}
36
37
istream
&
operator
>>
(istream
&
is
, IntArray
&
ia)
38
{
39
for
(
int
j
=
0
; j
<
ia.sz; j
++
)
40
{
41
is
>>
ia.i[j];
42
}
43
44
return
is
;
45
}
46
47
int
main()
48
{
49
stringstream input(
"
47 34 56 92 103
"
);
50
IntArray I;
51
input
>>
I;
52
I[
4
]
=
-
1
;
53
cout
<<
I;
54
}
转载于:https://www.cnblogs.com/zhtf2014/archive/2010/11/27/1889638.html
