ARRAY

What is Array in C?
Arrays are used to store multiple values in a single variable, instead of declaring
separate variables for each value
An array is a variable that can store multiple values. For example, if you want
to store 100 integers, you can create an array for it.

int data[100];




How to declare an array?
In C, we have to declare the array like any other variable before using it. We
can declare an array by specifying its name, the type of its elements, and the
size of its dimensions. When we declare an array in C, the compiler allocates
the memory block of the specified size to the array name.
Syntax: dataType arrayName[arraySize];

For example, float mark[5];

Here, we declared an array, mark, of floating-point type. And its size is 5.
Meaning, it can hold 5 floating-point values.
It's important to note that the size and type of an array cannot be changed once it
is declared.

Example:

###include<stdio.h>
void main()
{
int i;
int arr[] = {2, 3, 4}; // Compile time array initialization
for(i = 0 ; i < 3 ; i++)
{
printf("%d \t",arr[i]);
}
}

, Types of Array in C
There are two types of arrays based on the number of dimensions it has. They
are as follows:
1. One Dimensional Arrays (1D Array)
2. Multidimensional Arrays
1. One Dimensional Array in C
The One-dimensional arrays, also known as 1-D arrays in C are those arrays
that have only one dimension.
Syntax of 1D Array in C

array_name [size];




Example:

#include <stdio.h>

main()
{

int values[5];

printf("Enter 5 integers: ");

// taking input and storing it in an array
for(int i = 0; i < 5; ++i)
{
scanf("%d", &values[i]);
}

printf("Displaying integers: ");

// printing elements of an array
for(int i = 0; i < 5; ++i)
{
printf("%d\n", values[i]);
}

}