Alogarithm steps:

1. Start the program
2. Write the function and pass the address of one value through that function
3. Assign the address to pointer
4. Perform the multiplication operation
5. Compile and execute the program.

CPP Program For Call By Reference

#include #include void multi(int &a) { int a,b,c; int *q = &p; cout<<”Enter the b value:” cin>>b; c=q*b; cout<<”Multiplication of a and b is: “<>a; muti(&a); return 0; }