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C program to add two number using function

So today we will learn¬†“C program to add two number using string function”¬†. First let me define “function” . If you want to learn about function then CLICK HERE .

If you are beginner in programming then visit following topics . Which help you to understand below program.

Switch Cases
Array and Types
РFunction 
String  

A function is a group of statement that together performs a specific task. So this is just a simple definition of the function .

Advantage of Function:

–¬† Code Re-usability.
–¬† Develop an application in module format.
–¬† Easy to debug the program.
–¬† Code optimization.
–¬† Code is easy to read.

So without delay let’s go programming.

C Program To Add Two Number Using String Function
 #include<stdio.h>  
#include<conio.h> 
void sum(); //declaring a function
main()
{
 int a,b;
 printf("n Enter a number:");
 scanf("%d",&a);
 printf("n Enter a number:");
 scanf("%d",&b);
 sum();  //calling function getch(); 
}
void sum()  // defining functionint 
{
 int a,b,c=0;
 c=a+b;
 printf("n Sum:%d",c);
}


OUTPUT:

 

Output:

Enter number:10
Enter number:20
Sum=30


EXPLANATION:
In the above program, we have just solved the simple problem to “C program to add two number using the function”.¬†If you are getinnen then you may have one question i.e¬† What is going?

So I’m here to make you understand every program. In the program, we have solved to add number using the function . So we need to define return type function in the header . Then, as usual, taking an integer and ask the user to enter numbers. In this function we have use calling function i,e “sum()” . So which is used to print values when we return value from defining the function . Now we define defining a function and perform all mathematical operation and return value to calling function and print value as output .

Concept of function,function definition, function prototype

If you have any problem then you can comment below or visit my social media page contact me. I will be so pleased to help you and available 24 hours in your help  .

SIMILAR POST:

C program to read 2D array of size 2*3 from user and display it.
Function Concept function, function definition, function prototype.
C program to arrange given number in descending order using function.

You can solve this problem in this way too. Which give same result .

 C Program To Add Integer Using Function 

 

 
 #include<stdio.h>  
#include<conio.h> 
int sum(int);
 main()
{
 int n,c;
 printf("n Enter number:");
 scanf("%d",&n);
 c=sum(n);
 printf("sum=%d",c);
 getch();
}
int sum(int n)
{
 int sum=0;
 for(int i=1;i<n;i++)
 {
  sum=sum+i;
 }
 return(sum);
}

Other Problems: (do not forget to visit)

Program to find factorial of given number using loop for loop.
Write a menu driven program in C to find area and perimeter of rectangle .
C program to find samallest number among given three number

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