This course is for all those people who want to learn Data Structures and Algorithms from basic to advance level. We don't expect you to have any prior knowledge of Data Structure and Algorithms, but a basic prior knowledge of any programming language ( C++ / Java) will be helpful. This course gives you the flexibility of learning, under this program you can study your course whenever you feel like, you need not hurry or puzzle yourself.
Study and learn at your own pace
Lifetime access for the Course Content, Video & Discussion forum
Premium Lecture videos by Mr. Sandeep Jain (CEO & Founder, GeeksforGeeks)
Tracks consist of theory & practice problem
Weekly Assessment Tests with Video Solutions
Course Completion Certificate
Internship Opportunities at GeeksforGeeks
Analysis of Algorithm
Background analysis through a Program and its functions.
Order of Growth
A mathematical explanation of the growth analysis through limits and functions.
A direct way of calculating the order of growth
Asymptotic Notations
Best, Average and Worst case explanation through a program.
Big O Notation
Graphical and mathematical explanation.
Calculation
Applications at Linear Search
Omega Notation
Graphical and mathematical explanation.
Calculation.
Theta Notation
Graphical and mathematical explanation.
Calculation.
Analysis of common loops
Single, multiple and nested loops
Analysis of Recursion
Various calculations through Recursion Tree method
Space Complexity
Basic Programs
Auxiliary Space
Space Analysis of Recursion
Space Analysis of Fibonacci number
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Finding the number of digits in a number.
Arithmetic and Geometric Progressions.
Quadratic Equations.
Mean and Median.
Prime Numbers.
LCM and HCF
Factorials
Permutations and Combinations
Modular Arithmetic
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Bitwise Operators in C++
Operation of AND, OR, XOR operators
Operation of Left Shift, Right Shift and Bitwise Not
Bitwise Operators in Java
Operation of AND, OR
Operation of Bitwise Not, Left Shift
Operation of Right Shift and unsigned Right Shift
Problem(With Video Solutions): Check Kth bit is set or not
Method 1: Using the left Shift.
Method 2: Using the right shift
Problem(With Video Solutions): Count Set Bits
Method 1: Simple method
Method 2: Brian and Kerningham Algorithm
Method 3: Using Lookup Table
Problems(With Video Solutions):
To check whether a number is a power of 2 or not
Odd occurrences in an array.
Two numbers having odd occurrences in an array.
Generate power set using bitwise operators.
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Explanation using examples
Writing base cases in Recursion
Factorial
N-th Fibonacci number
Various problems on Recursion(With Video Solutions)
Print n to 1
Tail Recursion
Checking Palindrome
Sum of digits
Rod cutting
Subsets of a set
Tower of Hanoi Problem
Josephus Problem
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction and Advantages
Types of Arrays
Fixed-sized array
Dynamic-sized array
Operations on Arrays
Searching
Insertions
Deletion
Arrays vs other DS
Reversing - Explanation with complexity
Problems(With Video Solutions)
Left Rotation of the array by 1
Left Rotation of the array by D places
Leaders in an Array
Maximum Difference Problem
Stock Buy and Sell Problem
Trapping Rainwater Problem
Maximum subarray sum
Longest even-odd subarray
Maximum Circular sum subarray.
Majority Element
Sliding Window Technique
Prefix sum technique
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Binary Search and various associated problems(With Video Solutions)
Leftmost index of an element in an array
Count of occurrences of x in sorted element
Count of 1s in a binary sorted array
Find an element in sorted and rotated array
Peak element
Find an element in an infinite sized sorted array
The square root of an integer
Two Pointer Approach Problems(With Video Solutions)
Find pair in an unsorted array which gives sum X
Find pair in a sorted array which gives sum X
Find triplet in an array which gives sum X
Problems(With Video Solutions)
Median of two sorted arrays
Majority Element
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Implementation of C++ STL sort() function in Arrays and Vectors
Time Complexities
Sorting in Java
Arrays.sort() in Java
Collection.sort() in Java
Stability in Sorting Algorithms
Examples of Stable and Unstable Algos
Insertion Sort
Merge Sort
Problems(With Video Solutions)
Intersection of 2 sorted arrays
Union of 2 sorted arrays
Count Inversions in arrays
Partitions(With Video Solutions)
Naive
Lomuto
Hoare
Quick Sort
Using Lomuto and Hoare
Time and Space analysis
Choice of Pivot and Worst case
Tail call elimination
Problems(With Video Solutions)
Kth Smallest element
Chocolate Distribution Problem
Sorting arrays with 2 and3 types of elements
Merge Overlapping Intervals
Cycle Sort
Counting Sort
Radix Sort
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction to Matrix in C++ and Java
Printing matrix in a snake pattern
Transposing a matrix
Rotating a Matrix
Check if the element is present in a row and column-wise sorted matrix.
Boundary Traversal
Spiral Traversal
Matrix Multiplication
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction and Time complexity analysis
Application of Hashing
Discussion on Direct Address Table
Working and examples on various Hash Functions
Introduction and Various techniques on Collision Handling
Chaining and its implementation
Open Addressing and its Implementation
Chaining V/S Open Addressing
Double Hashing
C++
Unordered Set
Unordered Map
Java
HashSet
HashMap
Problems(With Video Solutions):
Count Distinct Elements
Count of the frequency of array elements
The intersection of two arrays
Union of two unsorted arrays
Pair with given sum in an unsorted array
Subarray with zero-sum
Subarray with given sum
Longest subarray with a given sum
Longest subarray with an equal number of 0’s and 1’s
Longest common span with the same sum in a binary array
Longest Consecutive Subsequence
Count Distinct elements in every window
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Discussion of String DS
Problems(With Video Solutions):
Given a string, check if they are an anagram of each other.
Given a string, find the leftmost character that repeats.
Given a string, find the leftmost character that does not repeat.
Given a string, find the lexicographic rank of it in O(n) time.
Implementation of the previously discussed lexicographic rank problem.
Given a text string and a pattern string, find if a permutation of the pattern exists in the text.
Given two strings, check if they are rotations of each other or not.
Various Pattern Searching Algorithms.
Rabin Karp Algorithm
KMP Algorithm
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Implementation in CPP
Implementation in Java
Comparison with Array DS
Doubly Linked List
Circular Linked List
Loop Problems
Detecting Loops
Detecting loops using Floyd cycle detection
Detecting and Removing Loops in Linked List
Problems(With Video Solutions):
Middle of Linked List
Nth node from the end of linked list
Deleting a Node without accessing Head pointer of Linked List
An iterative method to Reverse a linked list
Recursive method to reverse a linked list
Segregating even-odd nodes of linked list
The intersection of two linked list
Pairwise swap nodes of linked list
Clone a linked list using a random pointer
LRU Cache Design
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Understanding the Stack data structure
Applications of Stack
Implementation of Stack in Array and Linked List
In C++
In Java
Problems(With Video Solutions):
Balanced Parenthesis
Two stacks in an array
K Stacks in an array
Stock span problem with variations
Previous Greater Element
Next Greater Element
Largest Rectangular Area in a Histogram
Understanding getMin() in Stack with O(1)
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction and Application
Implementation of the queue using array and LinkedList
In C++ STL
In Java
Stack using queue
Problems(With Video Solutions)
Reversing a Queue
Generate numbers with given digits
Maximums of all subarrays of size k
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Tree
Application
Binary Tree
Tree Traversal
Implementation of:
Inorder Traversal
Preorder Traversal
Postorder Traversal
Level Order Traversal (Line by Line)
Tree Traversal in Spiral Form
Problems(With Video Solutions):
Size of Binary Tree
Maximum in Binary Tree
Height of Binary Tree
Print Nodes at K distance
Print Left View of Binary Tree
Children Sum Property
Check for Balanced Binary Tree
Maximum Width of Binary Tree
Convert Binary Tree to Doubly Linked List
Construct Binary Tree from Inorder and Preorder
The diameter of a Binary Tree
LCA problem with an efficient solution
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Background, Introduction and Application
Implementation of Search in BST
In CPP
In Java
Insertion in BST
In CPP
In Java
Deletion in BST
In CPP
In Java
Floor in BST
In CPP
In Java
Self Balancing BST
AVL Tree
Red Black Tree
Set in C++ STL
Map in C++ STL
TreeSet in java
TreeMap in Java
Problems(With Video Solutions):
The ceiling of a key in BST
Ceiling on the left side in an array
Find Kth Smallest in BST
Check for BST
Fix BST with Two Nodes Swapped
Pair Sum with given BST
Vertical Sum in a Binary Tree
Vertical Traversal of Binary Tree
Top View of Binary Tree
Bottom View of Binary Tree
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction & Implementation
Binary Heap
Insertion
Heapify and Extract
Decrease Key, Delete and Build Heap
Heap Sort
Priority Queue in C++
PriorityQueue in Java
Problems(With Video Solutions):
Sort K-Sorted Array
Buy Maximum Items with Given Sum
K Largest Elements
Merge K Sorted Arrays
Median of a Stream
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction to Graph
Graph Representation
Adjacency Matrix
Adjacency List in CPP and Java
Adjacency Matrix VS List
Breadth-First Search
Applications
Depth First Search
Applications
Problems(With Video Solutions):
Shortest Path in an Unweighted Graph
Detecting Cycle
In the Undirected Graph
In the Directed Graph
Topological Sorting
Kahn's BFS Based Algorithm
DFS Based Algorithm
Shortest Path in Directed Acyclic Graph
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Activity Selection Problem
Fractional Knapsack
Job Sequencing Problem
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Concepts of Backtracking
Rat In a Maze
N Queen Problem
Sudoku Problem
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Dynamic Programming
Memoization
Tabulation
Problems(With Video Solutions):
Longest Common Subsequence
Coin Change Count Combinations
Edit Distance Problem
Naive Approach
DP Approach
Longest Increasing Subsequence Problem
Naive Approach
Efficient Approach
Maximum Cuts
Minimum coins to make a value
Minimum Jumps to reach at the end
0-1 knapsack problem
Naive Approach
Efficient Approach
Optimal Strategy for a Game
Variation of Longest Common Subsequence
Variation of Longest Increasing Subsequence
Egg Dropping Problem
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Prim's Algorithm/Minimum Spanning Tree
Dijkstra's Shortest Path Algorithm
Bellman-Ford Shortest Path Algorithm
Kosaraju's Algorithm
Articulation Point
Bridges in Graph
Tarjan’s Algorithm
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Representation
Search
Insert
Delete
Count Distinct Rows in a Binary Matrix
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Construction
Range Query
Update Query
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
Introduction
Find and Union Operations
Union by Rank
Path Compression
Kruskal's Algorithm
Practice Problems
This track contains many practice problems for the users which are considered important and must-do as far as Data Structure and Algorithm is concerned.
What does Self-Paced mean?
You can join the course anytime. All of the content will be available once you get enrolled. You can finish it at your own decided speed.
Does the course include programming questions?
Yes, the course focuses on DS & Algo with a mix of theoretical lectures and programming questions.
Do we have doubt support in this program?
No, This program doesn't have doubt solving support. You may register for DSA- self-paced with Doubt solving.
Is this a language-specific course?
Yes, the course is only in C++ & Java. In case you are not familiar with these languages, you may join one of the free courses, Fork CPP and Fork Java to best utilize this course.
What do I learn if I am a Python Programmer?
If you are a Python programmer, you get the following.
1) The theory part of videos, algorithms in videos. Note video explanations of implementations are specific to C++ and Java only
2) Practice Questions will be in Python
3) Forum support will be there in Python.
It is recommended to prepare yourself with Fork Python if you are beginning with Python
How can I access contest solutions?
Contest solutions are available in Video mode in the contest section itself.
When can i access the video solution of Contest problems?
Once you've appeared in the online contest you can access the solutions.
How can I register for the course?
You need to sign up for the course. After signing up, you need to pay when the payment link opens.
What type of certificate will be offered in this program
Once the course is completed. You'll be getting a course completion certificate.
When can I make the payment for the course?
The payment link will be available on the course page.
Will the course content be available after the course end date?
Yes, the Courses content come with a lifetime validity
Is there a sample video to see how are course videos?
Yes, please see this video.
Can I make the payment through PayPal?
Yes. Mail us with your details at geeks.classes@geeksforgeeks.org.
Batch | Date | Type | Register |
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DSA-self paced | LIVE | Online Classes |