Data Structures and Algorithms with Visualizations – Full Course (Java)

Data Structures and Algorithms is an important aspect of every coding interview. This course will help you prepare for placements, coding interviews, and logic building. ✏️ Course developed by @itsdineshvaryani

The course walks you through multiple Java algorithms, data structure problems, and their solutions with step-by-step visualizations, so that you are actually learning instead of blindly memorizing solutions.

💻 Code: https://github.com/dinesh-varyani/ds-algos

⭐️ Contents ⭐️ 00:00:00 Introduction 00:03:46 Introduction to Data Structures 00:08:49 Introduction to Algorithms 00:19:43 Time Complexity of an Algorithm 00:25:05 Space Complexity of an Algorithm 00:27:14 Asymptotic Analysis of an Algorithm 00:29:43 Asymptotic Notations 00:39:06 Analysis and Rules to calculate Big O notation 01:06:16 One-Dimensional Array 01:32:38 print elements of an Array 01:44:29 Remove Even Integers from an Array 02:03:54 Reverse an Array 02:16:09 find Minimum value in an Array 02:28:13 Find Second Maximum value in an Array 02:41:03 move Zeroes to end of an Array 03:01:46 resize an Array 03:19:58 Find the Missing Number in an Array 03:34:08 check if a given String is a Palindrome 03:52:52 Create a Singly Linked List 04:02:58 Print elements of a Singly Linked List 04:13:11 Find length of a Singly Linked List 04:22:52 Insert nodes in a Singly Linked List 05:16:40 Delete nodes of a Singly Linked List 06:12:06 search an element in a Singly Linked List 06:22:42 Reverse a Singly Linked List 06:33:27 find nth node from the end of a Singly Linked List 06:46:43 remove duplicate from sorted Singy Linked List 06:57:51 insert a node in a sorted Singly Linked List 07:09:37 remove a given key from Singly Linked List 07:20:10 detect a loop in a Singly Linked List 07:36:58 find start of a loop in a Singly Linked List？ 07:57:54 Why Floyd's Cycle Detection algorithm works？ 08:17:23 remove loop from a Singly Linked List？ 08:37:36 Merge Two Sorted ListsQuestion 09:21:54 LeetCode #2： Add Two Numbers 09:41:53 represent a Doubly Linked List 09:46:06 implement Doubly Linked List 09:52:27 print elements of a Doubly Linked List 10:05:10 insert node at the beginning of a Doubly Linked List 10:15:25 Insert node at the end of a Doubly Linked List 10:25:50 delete first node in a Doubly Linked List 10:41:08 delete last node in a Doubly Linked List 10:55:49 represent a Circular Singly Linked List 11:03:46 implement a Circular Singly Linked List 11:11:20 traverse and print a Circular Singly Linked List 11:22:55 insert node at the start of a Circular Singly Linked List 11:37:48 insert node at the end of a Circular Singly Linked List 11:51:52 remove first node from a Circular Singly Linked List 12:10:37 Stacks 13:08:22 Next Greater Element 13:29:44 Valid Parentheses problem (Balanced Brackets) 13:46:11 represent a Queue 13:52:52 implement a Queue 14:31:59 Generate Binary numbers from 1 to n using a Queue 14:50:36 Binary Trees 20:27:59 Search in a row and column wise sorted matrix 20:49:30 Print a given matrix in Spiral form 21:23:55 Introduction to Priority Queue and Binary Heap 21:32:00 represent a Binary Heap 21:43:41 implement Max Heap 21:56:25 Bottom - Up Reheapify (Swim) in Max Heap 22:09:30 insert in a Max Heap 22:45:34 Top - Down Reheapify (Sink) in Max Heap 23:02:17 delete max element in a Max Heap 23:25:57 Linear Search 23:35:47 Binary Search 23:51:38 Search Insert Position in a Sorted Array 24:13:22 Bubble Sort 24:51:29 Insertion Sort 25:33:57 Selection Sort Algorithm 26:16:06 merge two sorted arrays 26:53:01 Merge Sort 28:33:26 Sort an array of 0’s, 1’s, and 2’s (Dutch National Flag Problem) 29:06:31 Quick Sort Algorithm 30:42:59 Squares of a Sorted Array 31:07:03 Rearrange Sorted Array in Max⧸Min form 31:38:01 Graphs 33:55:55 Number of Islands 34:43:56 Hashing and Hash Tables 37:33:21 Contains Duplicate 37:45:19 Introduction to Intervals and Overlapping Intervals 37:53:40 Merge Intervals 38:15:53 Insert Interval 38:40:02 Trie Data Structures 39:47:59 Dynamic Programming 41:26:02 Kadane's Algorithm for Maximum Sum Subarray 42:12:39 LeetCode: Two Sum 42:54:26 Is Valid Subsequence problem 43:22:23 First Non-Repeating Character in a String 43:48:45 Remove Vowels from a String 44:04:10 Reverse an Integer 44:23:13 Remove Element 44:40:54 Remove Duplicates from Sorted Array 44:58:57 Three Sum problem Animation 45:22:37 Product of an Array except self 45:45:01 Sliding Window Maximum 46:32:09 Maximum Sum Subarray of Size K 46:59:45 LeetCode: Longest Substring Without Repeating Characters 47:24:15 LeetCode: Symmetric Tree