The C++ programs are illustrations of functions and function reference by parameter
What are functions?
Functions are collections of program statements that are executed when called or evoked
How to pass value to a function by reference parameter
To pass value to a function by reference parameter, we make use of the &variable in the function parameters
The C++ program by reference parameter
The program written in C++ where comments are used to explain each action is as follows:
#include <iostream>
using namespace std;
//This defines the function
void addNums(int &x, int &y) {
//This adds the two numbers
int sum = x + y;
//This saves the sum of the two numbers in the first number
x = z;
}
//Ths main module begins here
int main() {
//This declares the two numbers
int firstNum, secondNum;
//This gets input for the two numbers
cin>>firstNum; cin>>secondNum;
//This calls the addNums function
addNums(firstNum, secondNum);
//This prints the sum
cout << firstNum;
return 0;
}
The name program
The program written in C++ where comments are used to explain each action is as follows:
#include <iostream>
using namespace std;
//This defines the function
void printName(string name) {
//This prints the name
cout<<"Hello "<<name;
}
//Ths main module begins here
int main() {
//This declares the name
string name;
//This gets input for the name
cin>>name;
//This calls the printName function
printName(name);
return 0;
}
Read more about C++ programs at:
https://brainly.com/question/24833629
