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cpp/pointer/src/geeksforgeeks/Pass_by_pointer/main.cpp at main · aaapplesoda/cpp · GitHub
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pointer
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geeksforgeeks
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Pass_by_pointer
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main.cpp
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cpp
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pointer
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geeksforgeeks
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Pass_by_pointer
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main.cpp
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//
C++ program to swap two numbers using
//
pass by pointer.
//
https://www.geeksforgeeks.org/passing-by-pointer-vs-passing-by-reference-in-c/
#
include
<
iostream
>
using
namespace
std
;
void
swap
(
int
* x,
int
* y)
{
int
z = *x;
*x = *y;
*y = z;
}
int
main
()
{
int
a =
45
, b =
35
;
cout <<
"
Before Swap
\n
"
;
cout <<
"
a =
"
<< a <<
"
b =
"
<< b <<
"
\n
"
;
swap
(&a, &b);
cout <<
"
After Swap with pass by pointer
\n
"
;
cout <<
"
a =
"
<< a <<
"
b =
"
<< b <<
"
\n
"
;
}
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