2-Write a C++ program to swap two numbers using pointers and functions. How to swap two numbers using call by reference method. Logic to swap two number using pointers in C ++program. Example Input Input num1: 10 Input num2: 20 Output Values after swapping: Num1 = 20 Num2 = 10

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2-Write a C++ program to swap two numbers using pointers and functions. How to swap
two numbers using call by reference method. Logic to swap two number using pointers in C
++program.
Example
Input
Input num1: 10
Input num2: 20
Output
Values after swapping:
Num1 = 20
Num2 = 10

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