DSA Progress:.Topic- Binary Search Tree.•leetcode q230- Kth smallest element in binary search tree.•leetcode q98- Validate binary search tree.•leetcode q235- Lowest common ancestor of a binary search tree .#binarysearchtree #DSA #java #LeetCode

DSA Progress:.Topic- Binary Search Tree.•gfg- ceiling in a binary search tree.•gfg- floor in a binary search tree.•leetcode 701- insert into a binary search tree.#DSA #binarysearchtree #java #leetcode #geeksforgeeks

DSA Progress.•leetcode 297- serialize and deserialize binary tree .•morris inorder traversal.•114 flatten binary tree to linked list.•intro to binary search tree.•search in a binary search tree.#DSA #Java #Binarytree #bst

DSA Progress:.Topic- Binary Trees.•leetcode q222- Count complete tree nodes.•leetcode q105- construct binary tree from pre order and in order traversal.-Also learnt a bit about Hashset and Hashmap.#DSA #java #leetcode #binarytrees

DSA PROGRESS:.Topic- Binary Trees .•Leetcode q662- Maximum width of a binary tree.-Children Sum Property .#DSA #java #leetcode #binarytrees

DSA Progress:.Binary Tree LeetCode questions:.•543- Diameter of binary tree (basic+ optimized approach).•124- Binary Tree Maximum path sum.•100- Same Tree .#DSA #binarytrees #LeetCode #java

DSA Progress:.Topic- Binary Tree.•LeetCode ques 145- Binary Tree PostOrder Traversal Using 1 Stack.•LeetCode ques 104- Maximum Depth of Binary Tree.•LeetCode ques 110- Balanced Binary Tree .#DSA #Java #BinaryTrees #LeetCode

DSA Progress:.•Iterative Approach for:. -Preorder Traversal. -Inorder Traversal. -Postorder Traversal (using 2 stacks).(LeetCode ques 144,94,145).#java #DSA #binarytrees #leetcode

DSA Progress:.•Intro to Binary Trees.•Binary tree representation in C++, Java.•Binary Tree traversals (BFS,DFS).•Preorder, Inorder, Post order,(Recursive Approach), Level order.(LeetCode ques 144,94,145, 102).#Java #DSA #Binarytrees #leetcode

DSA Progress:.•Studied & practised Object Oriented Programming in C++. •Linked List - Single + Double + Circular .-LeetCode ques on LL: 83,21,141,142,202,876,148,206,234,.•Stacks and Queues.-LeetCode ques:.232,84,20,921.•Other questions done: q9 (palindrome), 69(Sqrt).#DSA.

Work done:.Did about 19-20 ques in C like:.-finding max and min element in an array.- 2nd largest element in an array.- avg of elements in an array.-palindrome or not.-function of sum of digits.- function of quadratic eq .- reverse a num.-swap 2 numbers.-factorial of a num

DSA Progress:.Topic - Backtracking Questions .•Tried N-Queens ques. (placing a num of queens in a square Matrix such that no queen cancel each other and printing the matrix along with num of possible solutions).Couldn't understand the code very well so ill try again tomorrow :/.

DSA Progress:. Backtracking + Maze problem.Q1) Counting path.-code.Q2) Printing paths.-code.Q3) including diagonal paths.Q4) maze with obstacles .-code.Q5) including all paths+ issue with it.•need for Backtracking + intro.•code for all paths.Q6) Print matrix and paths.#DSA

DSA Progress:.Recursion Google, Amazon ques.Q1. Letter combination of a no. (modified leetcode ques 17).•code.• output as an ArrayList .• count of output.Q2. No. of dice rolls with target sum.•code.•returning output as an ArrayList.•dice with diff no. of faces.#Java.#DSA.

DSA Progress:.Topic - Recursion .•Permutation using recursion .•Code for permutation .•Returning output as an ArrayList.•Counting no. of permutations.#Java.#DSA .#DSAWithKunal.

DSA Progress:.Topic - Recursion .•Print ASCII value of a character .• Subsequences with ASCII values.• Iterative program to print subsequence .•Complexity analysis.• Subsequences of a string with duplicate elements.#DSA #Java #DSAwithKunal.

DSA Progress:.Topic - Recursion .Subset, Subsequence, string ques:.•Skip a character .•Skip a string.•Skip a string if its not the required string.•Subsets intro.•When to apply subset problem.•Subsequence.•Return an ArrayList of string (passing into the argument).#Java.

DSA Progress:.Topic- Recursion .Quick Sort:.•Understanding Pivot .•Recursive Quick Sort.•How to put pivot at correct position .•How to pick pivot.•Complexity comparison of pivot positions.•Imp notes.•Hybrid sorting algorithms.•Code for quick Sort.#Java #DSA #DSAwithKunal.

DSA Progress:.Topic- Recursion .Merge Sort:.•Steps.•Time Complexity .•Space Complexity .•Solving complexity using Akra-Bazzi formula.• In place merge sort (didnt understand it well so ill try it again).#DSA #DSAwithKunal #Java.

Progress:.Topic- Recursion .-Pattern Questions using recursion .-Bubble sort using recursion.-Selection Sort using recursion .#Java #DSA #DSAwithKunal.