What is int data type ?

The int is a keyword which is used to declare a variable as integer constant. It is also a data type. int data type occupy 16 bit memory space. The range of int data type is -32,768 to 32,767 on 16 bit machine or compiler.
The int data type can be signed or unsigned, by default  it is signed. The signed int means it store both positive and negative values. The unsigned int means, it stores only positive values. The range of signed int is -32,768 to 32,767 and the range of unsigned int 0 to 65,535.

Syntax:

int variable_name;

Ex:

                int a, b;

     int sum;

Program: Add two inter number and print the result

#include<stdio.h>

#include<conio.h>

void main()

{

     int a, b;

int sum;

printf(“Enter Two Values : “);

scanf(“%d%d”, &a, &b);

sum = a + b;

printf(“Sum = %d”,sum);

getch();

}

Output:

     Enter Two Values : 10 20

     Sum = 30