Day 45 - #SDESheetChallenge
45 days of SDESheet Challenge Completed ⚡
But Still there are more to learn, tomorrow i am going to continue with Graph DS..
Problems Solved:
- Distinct Numbers in Each Subarray
- K-th Largest Element in a Unsorted Array
- Flood Fill Algorithm
Day 44 - #SDESheetChallenge
Problems Solved:
- Binary tree to doubly linked list
- find median in a stream
- Kth largest element in a stream of running integers
3/3 done.✅
#DSA#TUF
Day 43 - #SDESheetChallenge
Still 2 more days to go...
Problems Solved:
- Two sum in BST
- BST iterator
- Size of the largest BST in a binary tree
- Serialize and De-Serialize BT
4/4 done.✅
#DSA#TUF
Day 42 - #SDESheetChallenge
Problems Solved:
- Floor in a BST
- Ceil in a BST
- Find K-th smallest element in BST
- Kth Smallest and largest element in BST
4/4 done.✅
#DSA#TUF
Day 41 - #SDESheetChallenge
Problems Solved:
- Construct a BST from a preorder traversal
- Check if a tree is a BST or not
- LCA in BST
- Inorder successor and predecessor in BST
4/4 done.✅
#DSA#TUF
Day 40 - #SDESheetChallenge
Problems Solved:
- Populating Next Right Pointers in Each Node
- Search in BST
- Construct BST from given Keys
3/3 done.✅
#DSA#TUF
Day 39 - #SDESheetChallenge
Problems Solved:
- Symmetric Binary Tree / Check for Symmetrical BTs
- Flatten Binary Tree to Linked List
- Children Sum Property in Binary Tree
3/3 done.✅
#DSA#TUF
Day 38 - #SDESheetChallenge
Problems Solved:
- Maximum path sum
- Construct a BT from inorder and preorder
- Construct a BT from inorder and postorder
3/3 done.✅
#DSA#TUF
Day 37 - #SDESheetChallenge
Problems Solved:
- LCA in BT
- Check if two trees are identical or not
- Zig Zag or Spiral Traversal
- Boundary Traversal
4/4 done.✅
#DSA#TUF
Day 4 of Backend⚡
- learned about AWS S3 file storage
- migrated my file upload service from local storage to s3 bucket storage
- Currently working on testing using LocalStack
- next going to implement Presigned URLs for secure direct downloads (and uploads)
Day 36 - #SDESheetChallenge
Problems Solved:
- Level Order Traversal
- Maximum Depth in BT
- Diameter of a Binary Tree
- Check for Balanced Binary Tree
4/4 done.✅
#DSA#TUF
Day 35 - #SDESheetChallenge
Problems Solved:
- Pre, Post, Inorder in one Traversal
- Vertical Order Traversal
- Print root to leaf path in BT
- maximum Width of BT
4/4 done.✅
#DSA#TUF
Day 34 - #SDESheetChallenge
Problems Solved:
- Morris Preorder Traversal
- Right / Left View of BT
- Bottom View of BT
- Top View of BT
4/4 done.✅
#DSA#TUF
Day 31 - #SDESheetChallenge
Problems Solved:
- Z Function
- KMP Algorithm or LPS Array
- Minimum insertions to make String palindrome
3/3 done.✅
#DSA#TUF
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