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Data Structures & Algorithms

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Data Structures & Algorithms

Become Expert at Data Structures & Algorithms Programme helps the aspirants to learn and become specialists in understanding various algorithms in the engineering field. It allows them to build and use the best possible data structures and apply efficient algorithms to solve real time problems in this domain. This program acts as a backbone in enriching the programming and logical skills of the aspirants and to compete with fellow coders on online coding platforms. This Programme can be tailored according to the best needs of an individual, based on the improvement areas identified by participating in online coding contests. The benefit of this programme is twofold, if it is taken by engineering aspirants in their early semesters of studies: firstly, it helps them to do better in their academics and the semester examinations; secondly, it allows them to start their Competitive Coding journey at the earlier stages of their academics. It also helps with increased score of an individual on online coding platforms, thereby increasing the visibility of him/her globally. Hence, this Programme is crucial in the journey of getting hired into the software industry and multinational corporate companies. Enhanced analytical, logical, technical, and coding skills; ability to face placement interviews with greater confidence are the added outcome of this programme.

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0
Weeks Duration
8
Hr/Week Therory
24
Hr/Week Lab
0
Students per Batch

COURSE CONTENTS

Introduction to Data Structures
Applications of Data Structures
Types of Data Structures
A. Physical vs Logical Data Structures
B. Linear vs Non-linear Data Structures
Introduction to Arrays
Need for Arrays
1-D Arrays
Define and Initialize
Memory Map of 1-DArray
Traversing through the elements
Copy operation
Sum & Average of elements
Min & Max of the elements
Insert elements at given index
Insert elements before/after given element
Finding the Frequency of elements
Shift & Rotate operations

1-D Arrays
Reversing the elements - efficient way
Finding Duplicate elementsin unsorted Array
Sorting elements
A. Selection Sort and
B. Bubble Sort
Searching for elements – Linear Search
Finding Duplicate elementsin sorted Array
Delete duplicate elements
Merging of elements from two arraysinto one array
Set operations on Arrays
A. Union
B. Intersection and
C. Difference
2-D Arrays
Define and Initialize
Memory Map of 2-DArray
Traversing through the elements
A. Row by Row
B. Column by Column
Copy operation
Sum & Average of elements
A. Row by Row
B. Column by Column

2-D Arrays
Min & Max of the elements
A. Row by Row
B. Column by Column
Row-major and Column major representation
Operations on Matrices
A. Addition
B. Subtraction
C. Multiplication and
D. Transpose
Operations on Diagonal elements
Operations on Upper/Lower Triangle elements
Operations on Symmetric Matrices
Tri-diagonal and Tri-band matrices
Toeplitz Matrix
Sparse Matrix representation
Operations on Sparse Matrices
A. Addition
B. Subtraction
C. Multiplication and
D. Transpose
Polynomial Representation using Arrays
Operations on Polynomials
A. Addition
B. Subtraction and
C. Multiplication

 

Basics of Functions
Scope Rules and Blocks
Calling and Called Functions
Prototyping and its necessity
Functions Returning Non-integers
Passing basic data type arguments
Call by Value - Limitations
Introduction to Call by Reference
Advantages of Call by Reference
Storage Classes - Classification
External Variables
Introduction to Recursion
How recursion works
Role of Stack in Recursion
Generalizing Recursion
Building the base conditions
Types of Recursion
i) Direct Recursion
A. Tail Recursion
B. Head Recursion
C. Tree Recursion
D. Nested Recursion
ii) Indirect Recursion

Passing 1-D and Multi-dimensional Arrays as arguments
Applying Recursion
A. Printing natural numbers up to N
B. Sum of first N natural numbers
C. Factorial of a given number
D. Sum of digits
E. Fibonacci Series
F. Taylor Series
G. Horner's Rule
H. Towers of Hanoi
Recursion vs Iteration
Introduction to Time and Space Complexity
A. Best case
B. Worst case and
C. Average Case
Measuring the Time & Space Complexity of given code snippets
Finding the Nth term of Fibonacci Series – Improved version
Role of Static & Global variables in Recursion
Deriving and Solving Recurrence Relations
Master’s Theorem

 

Need for Structures
Structures – Terminology
Defining Structures and Structure variables
Implementing Structures
Operations on Structures
Copying Structure elements
Nested Structures
Using Bitfields in Structures
Passing Structuresto Function – Call by Value
Applications of Structures
Limitations of fixed size arrays
Introduction to Dynamic Memory Allocation (DMA)
Stack vs Heap memory
Pointers & DMA
Implementing DMA functions
- malloc()
- calloc()
- realloc()
- free()

Pointersto Structures
DMA - 1D Arrays
DMA - 2D Arrays
DMA – Structures
DMA – Array of Structures
DMA - Nested Structures
Passing Structure variables to Functions – Call by Value
Passing Structure variables to Functions – Call by Reference
Returning Structure variables from Functions – By Value
Returning Structure variables from Functions – By Reference
Introduction to Self-referential structures
Applications of Self-referential structures

Need for Searching & Sorting
Concept and Implementation of Linear Search
Concept and Implementation of Binary Search
Finding missing element using Binary Search
Find duplicate elements in sorted Array – Improved version
Selection Sort and its applications
Bubble Sort and its applications
Recursive Bubble Sort
Insertion Sort and its applications
Recursive Insertion Sort
Quick Sort and its applications
Recursive Quick Sort
Counting Sort and its applications
Shell Sort and its applications
Merge Sort and its applications
Recursive Merge Sort
Radix Sort and its applications
Pigeonhole Sort
Time & Space Complexity Analysis of Searching & Sorting techniques

Self-referential Structuresin play
Linked Lists – Introduction & Terminology
Types of Linked Lists
A. Single Linked List
B. Circular Single Linked List
C. Double Linked List
D. Circular Double Linked List
Representation of Linked Lists
Operations on Linked Lists
A. CRUD operations
B. Merging of Linked Lists
C. Reversing Linked Lists
D. Ordered Linked Lists
E. Finding Duplicatesin Linked Lists
F. Finding no. of nodes in linked list - efficient way
G. Finding Cycles in linked lists
Sparse Matrix representation
Operations on Sparse Matrices
Polynomial Representation using Linked List
Operations on Polynomials

Concept of Stack
Examples of Stack
Preliminary operations on Stack
Stack implementation
A. Using Array
B. Using Linked List
Implementation of two Stacksin Array
Applications of Stack
Reversing a String
Parenthesis matching problem
Introduction to Infix, Postfix and Prefix expressions
Conversion programs
A. Infix to Postfix
B. Infix to Prefix
C. Postfix to Infix
D. Postfix to Prefix
E. Prefix to Infix
F. Prefix to Postfix
Evaluation of Infix, Postfix and Prefix expressions
Validating the correctness of XML file content

Concept of Queue
Examples of Queue
Preliminary operations onQueue
Queue implementation
A. Using Array
B. Using Linked List
Types of Queues & Implementations
A. Linear Queue – Pros & Cons
B. Circular Queues – Pros & Cons
C. Double-ended Queues – Pros & Cons
D. Priority Queues
1. Sorted & Unsorted Arrays
2. Sorted & Unsorted Linked Lists
Implementing Queue using Stacks
Applications of Queues
A. Simulation of Teller machine
B. Simulation of Doctor Appointmentsystem
C. Calculation of Wait time in a Queue
D. Check if a Queue can be sorted into another Queue - using Stack
E. Reversing Queue using Recursion
F. Sorting Queue with no extra space

Concept of Trees
Examples of Trees
Terminology
Types of Trees
Preliminary operations on Trees
Binary Trees & Properties
Implementation of Binary Tree
A. Arrays
B. Linked List
Binary Tree Traversaltechniques
Operations on Binary Trees
Binary Search Tree & Properties
Implementation of Binary Search Tree
Operations on Binary Search Trees
Deletion from BST - All cases
Applications of BST
Expression Trees & Properties
Representation of Expression Trees

Concept of Heap
Implementation of Heap
Operations on Heap
Applications of Heap
Implementation of Expression Trees
Need for Balancing the Height of the Tree
AVL Trees & Properties
Rotations in AVL Trees
Implementation of AVL Trees
Operations on AVL Trees
Applications of BST
2-3 Trees
Operations on 2-3 Trees
Implementation of 2-3 Trees
2-3-4 Trees
Operations of 2-3-4 Trees
Implementation of 2-3-4 Trees
Red-Black Trees
Operations on Red-Black Trees

 

Concept of Greedy algorithms
Nature of Greedy Algorithms
Examples of Greedy Algorithms
Pros & Cons of Greedy Algorithms
Implementation of Greedy Algorithms
Applications of Greedy Algorithms
A. Coin Change
B. Rod Cutting
C. Minimum Product Subset
D. Maximum Array Sum
E. Job sequencing
F. Activity Selection
G. No. of Railway Platforms
H. Huffman Encoding
I. Water Connection
J. Minimum Swapsfor Bracket Balancing
K. Fractional Knapsack

Concept of D & C algorithms
Nature of D & C Algorithms
Examples of D & C Algorithms
Quick Sort – Revisited
Merge Sort - Revisited
Pros & Cons of D & C Algorithms
Implementation of D & C Algorithms
Applications of D & C Algorithms
A. Finding the Power
B. Inversion Count
C. Count of 0s
D. Missing element in Arithmetic Series
E. Polynomial Multiplication
F. Karatsuba’s Fast Multiplication Algorithm
G. Strassen’s Fast Matrix Multiplication Algorithm
H. The Tiling Problem

Concept of Graph
Terminology
Differences between Tree and Graph
Examples of Graph
Types of Graphs
Representation of Graph
A. Adjacency Matrices
B. Adjacency List
C. Adjacency Multi list
Preliminary operations on Graph
Implementation of Graph
Graph Traversing techniques
A. Breadth First Search
B. Depth First Search
Spanning Trees
Spanning Tree vs Graph
No. of possible Spanning Trees – Kirchhoff’s Theorem
Minimum Cost Spanning Trees
Implementation of Prim's Algorithm
Implementation of Kruskal's Algorithm
Implementation of Warshall's algorithm
Implementation of Topological Sorting
Applications of Graphs

Concept of Hashing
Need for Hashing
Examples of Hashing
Common Hashing functions
Address calculation techniquesin Hashing
Collision and Resolution in Hashing
Implementation of Hashing
A. Chaining
B. Linear Probing
C. Quadratic Probing
D. Double Hashing
Load Factor and Rehashing
Applications of Hashing
A. Highest Frequency element in an array
B. Finding if an array is subset of another array
C. Union and Intersection of two linked lists
D. Minimum delete operationsin an array to make all the elements same
E. Check if two given sets are disjoint

Concept of Dynamic Programming
Nature of Dynamic Programming Problems
Pros & Cons of Dynamic Programming
Optimal vs Sub-optimal Solution
Introduction to Memoization – Nth Fibonacci Term
Property of Overlapping Subproblem
Tabulation vs Memoization
Applications of Dynamic Programming
A. Coin Change
B. Rod Cutting
C. Tiling
D. Gold Mine
E. Friend Pairing
F. Subset Sum
G. Largest Divisible Pairs
H. Longest Common Sub-sequence
I. Shortest Common Super-sequence
J. Knapsack

Testimonial's

T. Aditya

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The course was very comprehensive and easy to understand. The instructors made sure that they are giving the information in a way that won't make me confused. Thank you so much for this great course!

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Invictus has improved my practical skill in programming due a lot of practices and guidance. Taking Python core and advanced has really helped me gain confidence to take over so many programming challenges.

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My learning experience at Invictus’s Python Training Program was excellent. Well-structured Python Course modules with regular assessment sessions helped me to understand the language at ease. Thanks to my Python trainer, nice work Invictus!