• On September 17, 2024
• By Karmehavannan
• 0 Comment
• Categories: addition, Calculations, function in C++
• Tags: Cpp language, operator

Cpp program to add two numbers using function

Cpp program to add two numbers using function

In this tutorial, we will discuss the Cpp program to add two numbers using the function.

In this topic, we will learn a simple concept of how to add two number(integer , floating point)using the function in the C++ programming language

already we will know the same concept using the operator.

if you known click here C++ program to sum of two numbers

This program has following procedures for completion

• function declaration or prototype
• variable declaration
• Read value from user
• function definition with return statements
• Call the function
• Display result on the screen

Cpp program to add two integer using function

Program 1

#include <iostream>
#include <conio.h>
using namespace std;
int add(int x, int y);//function declaration or prototype
int main()
{
    int num1; //variable for store first numbers
    int num2; //variable for store second numbers
    int sum; //variable for store result of product

    //read numbers
    cout << "Enter the first number" << endl;
    cin>>num1; //stored first number- get input from user
    cout << "Enter the second number" << endl;
    cin>>num2; //stored second number- get input from user

    sum=add(num1, num2);//calling function and stored returning the result by function;

    //print sum of numbers
    cout<<"sum of two numbers "<<sum<<endl;
    getch();
    return 0;
}

//function definition
int add(int x, int y)
{
    return (x+y); //return the product result to main
}

When the above code is compiled and executed, it produces the following results

Enter the first number
23
Enter the second number
43
sum of two numbers 66

In the above program, deeply describe how to find sum of two integer using function in C++ language.

 

Cpp program to add two floating point numbers using function

Program 2

#include <iostream>
#include <conio.h>
using namespace std;
float add(float x, float y);//function declaration or prototype
int main()
{
    float num1; //variable for store first number
    float num2; //variable for store second number
    float sum; //variable for store result of sum

    //read numbers
    cout << "Enter the first numbers" << endl;
    cin>>num1; //stored first number- get input from user
    cout << "Enter the second numbers" << endl;
    cin>>num2; //stored second number- get input from user

    sum=add(num1, num2);//calling function and stored returning the result by function;

    //print sum of numbers
    cout<<"Sum of two numbers "<<sum<<endl;
    getch();
    return 0;
}

//function definition
float add(float x, float y)
{
    return (x+y); //return the addition result to main
}

 

When the above code is compiled and executed, it produces the following results

Enter the first numbers
34.78
Enter the second number
45.34
Sum of two numbers 80.12

In the above program, deeply describe how to find sum of two floating point values using function in C++ language.

 

 

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