Darshan Pawar

Aspiring Software Engineer | Java & Spring Boot Developer | DSA Enthusiast | Building scalable solutions and continuously learning.

[Darshan Pawar @Darshan2042]

📅 Day 39/45 of #SDESheetChallenge @takeUforward_ @striver_79
🎯Topic - Binary Tree Part - III
✔️Symmetric Binary Tree
✔️Flatten Binary Tree to Linked List
✔️Check for symmetrical BTs
✔️Children Sum Property in Binary Tree
®️Code. Learn. Repeat.
#DSA #Java #LeetCode #BinaryTree

[Darshan Pawar @Darshan2042]

📅 Day 38/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯 Topic - Binary Tree Part - III
🔹Maximum path sum
🔹Construct a BT from Preorder and Inorder
🔹Construct a BT from Postorder and Inorder
#DSA #Java #LeetCode #BinaryTree #SoftwareEngineer #InterviewPreparation

[Darshan Pawar @Darshan2042]

📅 Day 37/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Topic: Binary Tree – Part II
🔹LCA in BT
🔹Check if two trees are identical or not
🔹Zig Zag or Spiral Traversal
🔹Boundary Traversal
💯 Progress > Perfection. Consistency wins.
#StriversSDEsheet #BinaryTree #DSA

[Darshan Pawar @Darshan2042]

📅 Day 36/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's Focus: Binary Tree
✔️ Level Order Traversal
✔️ Maximum Depth in BT
✔️ Diameter of Binary Tree
✔️ Check for balanced binary tree

💯Small progress.Big consistency.
#StriversSDEsheet #BinaryTree #DSA #Java

[Darshan Pawar @Darshan2042]

📅 Day 35/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's Topic: Binary Tree
🔹Pre, Post, Inorder in one traversal
🔹Vertical Order Traversal
🔹Print root to leaf path in BT
🔹Maximum Width of BT
⚡Today's grind was real.
#StriversSDEsheet #BinaryTree #DSA

[Darshan Pawar @Darshan2042]

📅 Day 34/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's Topic: Binary Tree
🔹Morris Preorder Traversal
🔹Right/Left View of BT
🔹Bottom view of BT
🔹Top View of BT
💯Discipline over motivation. Showing up every day is the real win.
#StriversSDEsheet #DSA

[Darshan Pawar @Darshan2042]

📅 Day 33/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯 Today's grind: Binary Tree
🔹In-order Traversal
🔹Preorder Traversal
🔹Postorder Traversal
🔹Morris Inorder Traversal

Every new topic is another step toward becoming interview-ready.
#BinaryTree #TreeTraversal

[Darshan Pawar @Darshan2042]

📅 Day 32/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's grind: String Part II (Final Day of Strings)
🔹Valid Anagram
🔹Count and say
🔹Compare version numbers
💯Don't count the days. Make the days count.
#LeetCode #DSA #Java #SoftwareEngineer #CodingJourney

[Darshan Pawar @Darshan2042]

📅 Day 31/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's grind:
🔹Z function
🔹KMP Algorithm or LPS array
🔹Minimum insertions to make string palindrome

Every solved problem is a step closer to writing better code.🚀
#LeetCode #DSA #Java #SoftwareEngineer

[Darshan Pawar @Darshan2042]

📅 Day 30/45 of #SDESheetChallenge @takeUforward_
@striver_79
🎯Today's grind:
🔹Implement ATOI/STRSTR
🔹Longest Common Prefix
🔹Rabin-Karp Algorithm
Another day, another step toward becoming a better engineer. 💻
#LeetCode #DSA #Java #ProblemSolving #SoftwareEngineer

[Darshan Pawar @Darshan2042]

@takeUforward_ Meanwhile, some of us are still grinding every day... DSA, projects—still waiting for that first job. 😭

[Darshan Pawar @Darshan2042]

📅 Day 29/45 of #SDESheetChallenge @takeUforward_
@striver_79

🎯Today's grind:
🔹Reverse every word in a string
🔹Longest Palindrome in a string
🔹Roman to Integer

🧵Strings may look simple until they test your logic.

#LeetCode #DSA #Java #ProblemSolving #SoftwareEngineer

[Darshan Pawar @Darshan2042]

📅 Day 28/45 of #SDESheetChallenge @takeUforward_
@striver_79

🎯Stack & Queue – II:
🔹Stock span problem
🔹Maximum of Minimums for Every Window Size
🔹Celebrity Problem

🎉 Stack & Queue completed. Time to tackle the next challenge! 💻
#Java #DSA #CodeEveryday #45DaysOfCode

[Darshan Pawar @Darshan2042]

📅 Day 27/45 of #SDESheetChallenge
@takeUforward_ @striver_79
Stack & Queue – II ✅
🔹 Largest Rectangle in Histogram
🔹 Sliding Window Maximum
🔹 Min Stack
🔹 Rotten Oranges

🎯Four problems. Countless lessons. Keep building.
#DataStructures #CodingJourney #CodeEveryday #Java

[Darshan Pawar @Darshan2042]

📅Day 26/45 of #SDESheetChallenge @takeUforward_
@striver_79
-------Today's Topic: Stack & Queue Part II -------
🔹Next Smaller Element
🔹LRU Cache
🔹LFU Cache
One of the hardest days of the challenge so far. Learned a lot and kept moving forward..!
#DataStructures #CodingJourney

[Darshan Pawar @Darshan2042]

📅Day 25/45 of #SDESheetChallenge @takeUforward_
@striver_79
-----------Today's Topic: Stacks and Queue ------------
🔹Balanced Parentheses
🔹Next Greater Element
🔹Sort a Stack
🔥 The best way to trust a data structure is to implement it yourself.
#DataStructures #CodingJourney

[Darshan Pawar @Darshan2042]

📅Day 24/45 of #SDESheetChallenge @takeUforward_
@striver_79
-----------Today's Topic: Stacks and Queue ------------
🔹Implement Stack using Arrays
🔹Implement Queue using Arrays
🔹Implement Stack using Queue
🔹Implement Queue using Stack
#DataStructures #CodingJourney #Java

[Darshan Pawar @Darshan2042]

📅Day 23/45 of #SDESheetChallenge @takeUforward_
@striver_79
-----------Today's Topic: Heaps ------------
🔹Find the median from the data stream
🔹Merge K Sorted Arrays
🔹Top K Frequent Elements
Learning, practicing, and improving every single day.
#DailyDSAGrind #CodingJourney

[Darshan Pawar @Darshan2042]

📅Day 22/45 of #SDESheetChallenge @takeUforward_
@striver_79

-----------Today's Topic: Heaps ------------
🔹Implement Max Heap
🔹K-th Largest element in an array
🔹Maximum Sum Combination
🔥Discipline...!
#TakeUForward #Striver #Java #DSA #ProblemSolving

[Darshan Pawar @Darshan2042]

📅Day 21/45 of #SDESheetChallenge @takeUforward_
@striver_79
-----------Today's Topic: Binary Search ------------
🔹Median of 2 sorted arrays
🔹Kth element of 2 sorted arrays
🔹Allocate Minimum Number of Pages
🔹Aggressive Cows

#TakeUForward #Striver #Java #ProblemSolving