What is Linear data Structure?

Data Structure > Data Structure Introduction > Various Data structures

Short Question

934

Answer:

Linear data structure organizes their elements in a linear fashion, where data elements are attached one after another. They are organized in a way similar to how the computer's memory is organized.

1) To have the linear relationship between the elements represented by means of sequential memory locations. For Example- ARRAY

2) To have the linear relationship between the elements represented by means of pointers and links. For Example- LINKED-LIST

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556. What is Non-Linear Data Structure?

Answer:

Non-linear data structure is a type of data structure in which the data elements are not arranged in a sequential manner. In other words, the elements are not stored in a linear or sequential manner and do not follow a specific order. Non-linear data structures are used when data elements have a hierarchical relationship and there is a need to represent the relationship between the elements.

Some examples of non-linear data structures are:

Trees: Trees are a hierarchical data structure where each node has a parent and zero or more children.
Graphs: Graphs are a collection of nodes and edges that connect them. Graphs can be used to represent complex systems such as social networks, transportation networks, and computer networks.
Heaps: Heaps are a type of binary tree used to implement priority queues.

Non-linear data structures are commonly used in various fields such as computer science, engineering, mathematics, and natural sciences. They allow for efficient representation of complex relationships between data elements, making them an essential tool in various applications.

# Tutorial: Various Data structures

Question: Data Structure Introduction Short

557. What is an Array?

Answer:

An Array can be defined as a data structure having fixed size sequenced collection of elements of same data type and which can be referenced through the same variable name. An Array is a name given to a group of similar quantities.

Declaring an array

Type variable_name [length of array];

For example:-

double height[10];
float width[20];
int min[9];
int myArray[5] = {1, 2, 3, 4, 5}; //declare and initialize the array in one statement

In C language array starts at position 0. C language treats array name as the pointer to the first element and an item in the array can be accessed through its index.

# Tutorial: Array Introduction in Data Structure

Question: Array Short

558. How to read and write data in an array?

Answer:

In this section you will learn how to read and write data in an array using c programming Language


#include<stdio.h>
void main ()
{
int array[10], n;
// Reading an array
printf("Enter size of an array");
scanf ("%d", &n);
printf("Enter array elements");
for (i=0;i<n;i++)
scanf ("%d", &array[i]);
// writing an array
printf("array elements are");
for (i=0;i<n;i++)
printf ("%d", array[i]);
}

# Tutorial: Array Introduction in Data Structure

Question: Array Short

559. How to insert data in an array at a particular position?

Answer:

To insert a value into an array, you need to shift every value after the location you want to insert. the logic is very simple: start from the end and copy the previous item to the current element until you hit the location you want to insert.

# Tutorial: Array Introduction in Data Structure

Question: Array Short

560. Write code to insert data in an array at a particular position

Answer:



#include<stdio.h>
Void main ()
{
int array [10], n elem, pos;
// Reading an array
printf (                  </div>
                </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                   <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Short </small></span>  
                            </div>
      
            <div class="list-group divStyleQuestion" style="border:1px solid #e0e0e0;padding:8px">
            <div class="d-flex w-100 justify-content-between">
              <a href="/qanswer/how-to-delete-an-element-from-a-specified-position-from-an-array-question/54/561">
                  <h5 class="mb-1" style="color:#194757;">561. &nbsp;How to delete an element from a specified position from an array?</h5>
              </a>
            </div>
                            <div class="card">
                  <div class="card-body">
                     Answer: <p> To delete a value from an array, you need to shift every value after the
location you want to delete. The logic is very simple: start from the position
you want to delete and copy the previous item to the current element until
end of the array.</p>                  </div>
                </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                   <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Short </small></span>  
                            </div>
      
            <div class="list-group divStyleQuestion" style="border:1px solid #e0e0e0;padding:8px">
            <div class="d-flex w-100 justify-content-between">
              <a href="/qanswer/write-code-to-delete-data-from-an-array-from-a-particular-position-question/54/562">
                  <h5 class="mb-1" style="color:#194757;">562. &nbsp;Write code to delete data from an array from a particular position?</h5>
              </a>
            </div>
                            <div class="card">
                  <div class="card-body">
                     Answer: <pre class="prettyprint">
<xmp>
#include<stdio.h>
void main ()
{
int array[10], n elem ,pos;
// Reading an array
printf(                  </div>
                </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                   <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Short </small></span>  
                            </div>
      
            <div class="list-group divStyleQuestion" style="border:1px solid #e0e0e0;padding:8px">
            <div class="d-flex w-100 justify-content-between">
              <a href="/qanswer/how-to-merge-two-sorted-arrays-question/54/563">
                  <h5 class="mb-1" style="color:#194757;">563. &nbsp;How to merge two sorted arrays?</h5>
              </a>
            </div>
                            <div class="card">
                  <div class="card-body">
                     Answer: <p>Assume, that both arrays are sorted in ascending order and we want resulting array to maintain the same order. Algorithm to merge two arrays A[0..m-1] and B[0..n-1] into an array C[0..m+n-1] is as following:<br />1. Introduce read-indices i, j to traverse arrays A and B, accordingly. Introduce write-index k to store position of the first free cell in the resulting array. By default i = j = k = 0.<br />2. At each step: if both indices are in range (i &lt; m and j &lt; n), choose minimum of (A[i], B[j]) and write it to C[k]. Otherwise go to step 4.<br />3. Increase k and index of the array, algorithm located minimal value at, by one. Repeat step 2.<br />4. Copy the rest values from the array, which index is still in range, to the resulting array.</p>                  </div>
                </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                   <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Short </small></span>  
                            </div>
      
            <div class="list-group divStyleQuestion" style="border:1px solid #e0e0e0;padding:8px">
            <div class="d-flex w-100 justify-content-between">
              <a href="/qanswer/write-code-to-merge-two-sorted-arrays-question/54/564">
                  <h5 class="mb-1" style="color:#194757;">564. &nbsp;Write code to merge two sorted arrays?</h5>
              </a>
            </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                  <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Long </small></span>
                            </div>
      
            <div class="list-group divStyleQuestion" style="border:1px solid #e0e0e0;padding:8px">
            <div class="d-flex w-100 justify-content-between">
              <a href="/qanswer/what-is-two-dimensional-array-question/54/565">
                  <h5 class="mb-1" style="color:#194757;">565. &nbsp;What is two dimensional array?</h5>
              </a>
            </div>
                        <div class="d-flex w-100 justify-content-between">
                <a style="color:#9e9d9d;" href="/tutorial/array-introduction-in-data-structure/3/300">
                    <small># Tutorial: Array Introduction in Data Structure</small> 
                </a>
            </div>
           
                        <a style="color:#9e9d9d;" href="/qa/-/3/54">
                <small><i class="fa fa-code" aria-hidden="true"></i> Question: Array</small>
            </a>
                                  <span class="float-end" style="color:#9e9d9d"> <small><i class="fa fa-check" aria-hidden="true"></i> Long </small></span>
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