%
$
&
!
"#
%
$
*
%
'
#
(
)
!
%
+
,
$
'
.. /
4
!
1
0
4
!
2
3 $
9
:;<
$&
0
/
52%
6
7
8
2
5
)
2
$0
+
6
0
1
0 0 1
2
2
1
0 1
$ ;=
3
'
5
?
3
@
4
%
,,2
2
0 1
1
1
0
$ ;>
2+ $
%
5
0 0 1
*
(
$
&
( 7 #
A #% '
-
& $
$
B
(
5
&
)
+
0
.. $
+
3
+
6
)
// computation
int b = a * a; // b = a^2
b = b * b;
// b = a^4
// output b * b, i.e., a^8
std::cout << a << "^8 = " << b * b << ".\n";
return 0;
}
..
#
// Program: power8.C
// Raise a number to the eighth power.
int main()
{
// input
std::cout << "Compute a^8 for a =? ";
int a;
std::cin >> a;
$)
8
..
#include <iostream>
$
3
#
$
&
-
..
3
C
3 3C
3
$
&
&
..
2
C
C
#
6 -'D
?
H
H
..
( (
$power8.C
3
;E>FF ;GG>
@
3
( 3
..
$1
F::G
I
J
D
D 6
3
(
I
6
&
"
A
)
D
A
!
6 3
!
8 3
3
8 3
1
' J3
+
A
!
'
2(
5!
&
A
!
I
A
0
(
(
A
3
(
(
+
3
I
A
6
K
L
..
I
3
#include<iostream> int
main(){std::cout<<"Compute a^8 for a =? ";
int a;std::cin>>a;int b=a*a;b=b*b;std::cout<<
a<<"^8 = "<<b*b<<".\n";return 0;}
L
M
%
L
4
iostream
8 3
cmath
&
3
..
(
(
(
I
8 3
L
+
0
L
power8.C$3
power8.C$:
2
5 3
A
D
2
#include <iostream>
D
2
6 main!
8 3
J
!
6 3
M
>!
0
N
0K
&
std::cin >> a;
?
0 @
+
D
$
:O
3
"
8
3
+
"
int $
.. "
8
..
+
H
1
5
&
0
3
+
"
0
Ζ . P
- ..
&
8 3
J
"
,,
,,2
+
%
3
1
0
D
%
(
3
A
int
0
unsigned int
0
float,double)
(
bool)
L
)
+
?
3
3
&
"
&
+
(
&
)
int a;
1
"
&
2
@
$
0
" int & :
1.2e5
" double,&
;,
FP;:Q
1
"
&
2
$ a
$
int
$
$
#?
@
1
)
' J3
!1
$
$2L 0R ,
, R:L GRS
0
1
$
1
std::cin T
2
3
+
&
2
7
3
B
"
2
&
B
2
?
)
&
@2
(
+ 1
(
2
3
)
,
#
"
&
+
I
$
3
'
a * a
?
U? (a * a)
3
a * a
2
+
2
)
3
)
'
3
$
3
B
,
,
,
,
+
2
,
2
3
B
,
,
,
#
4
" $ int "
&
$
3$ 3
3
'
a
a
2
3
#
2
"
&
3
"
&
3
3
"
b = b * b
" $ int "
&
$
3$&
A
!
&
A
!
&
2
&
2
#
3
'
b
b
2
b
5!
&
2
$
3
+
$ (
3
A
!
&
$A
1
$)
2
5!
&
' J3
' J3
&
2 (
A
!
&
$
2
&
3
&
5!
&
3
2
3 (
3
+ ,
,
,
/
A
!
&
(
5!
& 3
3
5!
&
3
&
M
+
%
'
V$%
3
3
(
( 5!
&
"
'
3
5!
&
3
@
$
'
2
3
'
2
3
?
"
'
"
6
&
A
!
5!
&
3
F
:=
0(
*
2
R
&
'
$a * a,
b * b
%
=
3 '
3
'
>>
A
!
&
5!
&
'
"
&
'
3 '
$b = b * b
3 '
A
!
&
A
!
&
'
'
(
+
&
A
!
&
3
3
3
&
A
!
&
$std::cin >> a
3
"
5!
&
2
>>
3 '
'
(
+
A
!
&
A
!
&
'
<<
A
!
&
2
5!
&
'
2
3 '
'
&
&
2
A
!
&
A
!
&
2
M
A
!
&
2
5!
&
'
2
2
&
5 3
2
C
2
A
!
&
A
!
&
<<
$
std::cout << a << "^8 = " << b * b << ".\n"
3
2
$std::cout << a
2
<<
3 '
'
&
A
!
&
3
3
M
(
3
$
((((std::cout << a) << "^8 = ") << b * b) << ".\n")
A
!
&
3
)
M
2
<<
&
5 3
2 (
2
C
2
$
..
(
std::cout << a << "^8 = " << b * b << ".\n"
(
3
3
$
3
((((std::cout << a) << "^8 = ") << b * b) << ".\n")
A
!
&
2
3
2
(
63
(
8
(
# R
#
3
1
63
2
3
3
# (
$b = b * b;
#
$int a;
&
3
B
)
$int b = a * a;
.
3
5
3
(
8 3
8
return # R
(
#
2
5 3
8 3
$return 0;
3
(