Purna chandra

[Purna chandra @Purnachand12945]

Day 52 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Max Product Subarray
2.Longest Increasing Subsequence
3.Longest common subsequence

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 50 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Strongly Connected Component(using KosaRaju algo)
2.Dijkstra's algorithm
3.Bellman ford algorithm

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 49 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Number of islands(Do in Grid and Graph Both)
2.Bipartite graph
3.Bipartite Check using DFS

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 48 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Detect A cycle in a Directed Graph using BFS
2.Topological Sort BFS
3.Topological Sort DFS

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 47 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Detect A cycle in Undirected Graph using BFS
2.Detect A cycle in Undirected Graph using DFS
3.Detect A cycle in a Directed Graph using DFS

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 46 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Clone Graph
2.DFS
3.Traversal Techniques(BFS)

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 45 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Distinct Numbers in Each Subarray
2.K-th largest element in an unsorted array.
3.Flood-fill Algorithm

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 44🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Binary Tree to Doubly Linked List
2.Find Median in a Stream
3.Kth largest element in a stream of running integers

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 43🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Two sum in BST
2.BST iterator
3.Size of the largest BST in a Binary Tree
4.Serialize and De-serialize BT

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 42🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Floor in a BST
2.Ceil in a BST
3.Find K-th smallest element in BST
4.Kth Smallest and Largest element in BST

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 41🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Construct a BST from a preorder traversal
2.Check if a tree is a BST or not
3.LCA in BST
4.Inorder successor and predecessor in BST

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 40🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Populating Next Right Pointers in Each Node
2. Search in BST
3.Construct BST from given keys

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 39🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Symmetric Binary Tree
2.Flatten Binary Tree to Linked List
3.Check for symmetrical BTs
4.Children Sum Property in Binary Tree

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 38🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Maximum path sum
2.Construct a BT from Preorder and Inorder
3.Construct a BT from Postorder and Inorder
4.Symmetric Binary Tree

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 37🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.LCA in BT
2.Check if two trees are identical or not
3.Zig Zag or Spiral Traversal
4.Boundary Traversal

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 36🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Level Order Traversal
2.Maximum Depth in BT
3.Diameter of Binary Tree
4.Check for balanced binary tree

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 35🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Pre, Post, Inorder in one traversal
2.Vertical Order Traversal
3.Print root to leaf path in BT
4.Maximum Width of BT

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 34🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Morris Preorder Traversal
2.Right/Left View of BT
3.Bottom view of BT
4. Top View of BT

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 33🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 4 problems:
1.Inorder Traversal
2.Preorder Traversal
3.Postorder Traversal
4.Morris Inorder Traversal

#SDESheetChallenge #TakeUForward #DSA #DataStructures

[Purna chandra @Purnachand12945]

Day 32🚀 of #SDESheetChallenge by
@takeUforward_

Today I solved 3 problems:
1.Valid Anagram
2.Count and say
3. Compare version numbers

#SDESheetChallenge #TakeUForward #DSA #DataStructures