Array Operations - Traversal, Insertion | Explanation with C Program | DSA Course
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In this blog post, we will be discussing the various operations that can be performed on 1D arrays in data structures. We have already covered the fundamentals of arrays, including why they are needed, how to declare them, and their memory representation in a previous post. Today, we will focus on ...
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Array Operations - Traversal, Insertion | Explanation
with C Program | DSA Course
Operations on Arrays in Data Structure
In this blog post, we will be discussing the various operations that can be
performed on 1D arrays in data structures. We have already covered the
fundamentals of arrays, including why they are needed, how to declare them,
and their memory representation in a previous post. Today, we will focus on
how to traverse an array, how to insert data into an array, and the three types
of insertion (at the beginning, at the end, or at a specific position). The most
important operations we will cover are array traversal, insertion, deletion,
sorting, and searching for a particular key.
Traversal and Insertion with Code Examples
We will start by discussing how to traverse an array and insert data into an
array, with the help of code examples. We will also provide code for array
deletion.
Array Size and Memory Allocation
Before we dive into the code, it's important to understand that the size of an
array is fixed at compile time and cannot be changed at runtime. Additionally,
arrays do not have any bounds checking property at runtime, so it is the
programmer's responsibility to check the boundaries of the array in the
program. For example, if we declare an array of size 50, 200 bytes of memory
would be allocated by the memory manager. The base address is 100, so 100 to
299 bytes should be allocated to this array.
Reading and Writing Data
Now, let's discuss how to read and write data in an array. The scanf function
is used to take input from the user, and the printf function is used to print
something on the output screen. When using scanf , we write %d for
integers. We use a for loop to iterate over the array, and the value starts from 0
till the size minus one (i++).
Maximum Array Size and User Input
The maximum size of an array is determined by the limit of the size of an
array. The user can insert data into the array, and the number of data they want
to insert is the size of the array. For example, if the size of the array is five, the
user can insert five elements only.
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