swetha

Web Developer | Java | Python | DSA | Solved 1000+ Problems (GFG, LeetCode, CodeChef) | 3⭐ GFG | Intern Infosys Springboard

[swetha @swetha_586]

Day 46 ✅
🔹 Clone Graph
🔹 DFS
🔹 Graph Traversal (BFS & DFS)
A strong foundation in graphs begins with mastering traversals. 🌐🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

🎉 Day 45/45 ✅
🔹 Distinct Numbers in Each Subarray
🔹 K-th Largest Element in an Unsorted Array
🔹 Flood Fill Algorithm
Completed the #SDESheetChallenge! 🚀
45 days of learning, consistency, and growth. This is just the beginning. 💪
#DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 44/45 ✅

🔹 Binary Tree to Doubly Linked List
🔹 Find Median in a Data Stream
🔹 K-th Largest Element in a Stream
Learning to process data efficiently, one stream at a time. 🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 43/45 ✅

🔹 Two Sum in BST
🔹 BST Iterator
🔹 Largest BST in a Binary Tree
🔹 Serialize & Deserialize Binary Tree
Turning complex tree problems into structured solutions. 🌳🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 42/45 #SDESheetChallenge ✅

🔹 Floor in BST
🔹 Ceil in BST
🔹 K-th Smallest Element
🔹 K-th Smallest & Largest Element
Every search brings new insight.🌳🚀
#SDEsheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 41/45 #SDESheetChallenge✅

🔹 Construct BST from Preorder
🔹 Validate BST
🔹 LCA in BST
🔹 Inorder Successor & Predecessor
Leveraging BST properties to solve problems efficiently. #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 40/45 ✅

🔹 Populating Next Right Pointers
🔹 Search in BST
🔹 Construct BST from Given Keys
Building smarter trees, one node at a time. 🌳
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 39/45 ✅

🔹 Symmetric Binary Tree
🔹 Flatten Binary Tree to Linked List
🔹 Check for Symmetrical Trees
🔹 Children Sum Property
Transforming trees, strengthening recursion. 🌳🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 38/45 ✅

🔹 Maximum Path Sum in Binary Tree
🔹 Construct BT from Preorder & Inorder
🔹 Construct BT from Postorder & Inorder
Building trees from traversals and strengthening recursive thinking. 🌳🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 37/45 #SDESheetChallenge✅

🔹 LCA in Binary Tree
🔹 Identical Trees
🔹 Zig Zag Traversal
🔹 Boundary Traversal
Every traversal reveals a different perspective of the same tree. 🌳🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 36/45 ✅

🔹 Level Order Traversal
🔹 Maximum Depth of Binary Tree
🔹 Diameter of Binary Tree
🔹 Check for Balanced Binary Tree
Growing deeper into trees, one level at a time. 🌳🚀
#SDESheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 35/45 #SDESheetChallenge✅

🔹 Pre, In & Postorder in One Traversal
🔹 Vertical Order Traversal
🔹 Root to Leaf Paths
🔹 Maximum Width of Binary Tree
Every traversal uncovers a new perspective. 🌳🚀
#SDEsheetChallenge #DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 34/45 #SDESheetChallenge✅

🔹 Morris Preorder Traversal
🔹 Right & Left View of Binary Tree
🔹 Bottom View of Binary Tree
🔹 Top View of Binary Tree
Every view tells a different story of the same tree. 🌳🚀
#DSA @takeUforward_ @striver_79

[swetha @swetha_586]

Day 33/45 #SDESheetChallenge✅

🔹 Inorder Traversal
🔹 Preorder Traversal
🔹 Postorder Traversal
🔹 Morris Inorder Traversal
Building strong tree fundamentals, one traversal at a time. 🌳🚀
#DSA @takeUforward_

[swetha @swetha_586]

Day 32/45 #SDESheetChallenge✅

🔹 Valid Anagram
🔹 Count and Say
🔹 Compare Version Numbers
Small strings, big lessons. 🚀
#DSA @takeUforward_
@striver_79

[swetha @swetha_586]

Day 31/45 #SDESheetChallenge✅
🔹 Z Algorithm
🔹 KMP (LPS Array)
🔹 Minimum Insertions to Make a String Palindrome
Mastering patterns, one algorithm at a time. 🚀
#DSA @takeUforward_

[swetha @swetha_586]

Day 30/45 ✅

🔹 Implement ATOI / STRSTR
🔹 Longest Common Prefix
🔹 Rabin-Karp Algorithm
Strings are simple until the patterns begin. 🚀
#SDESheetChallenge #DSA @takeUforward_

[swetha @swetha_586]

Day 29/45 ✅

🔹 Reverse Every Word in a String
🔹 Longest Palindromic Substring
🔹 Roman to Integer
Every string has a pattern-finding it is the real challenge. 🚀
#SDESheetChallenge #DSA @takeUforward_

[swetha @swetha_586]

Day 28/45 ✅

🔹 Stock Span Problem
🔹 Maximum of Minimums for Every Window Size
🔹 Celebrity Problem

Patterns simplify problems, practice sharpens solutions. 🚀

#SDEsheetChallenge #DSA @takeUforward_

[swetha @swetha_586]

Day 27/45 #SDESheetChallenge✅

🔹 Largest Rectangle in a Histogram
🔹 Sliding Window Maximum
🔹 Implement Min Stack
🔹 Rotten Oranges
Learning patterns, optimizing solutions, and moving one step closer every day. 🚀
#SDEsheetChallenge #DSA @takeUforward_