Top Tweets for #binaryTree
Day 78 of #100DaysOfCode🚀
Solved LeetCode 617: Merge Two Binary Trees✅
Used DFS + Recursion to merge overlapping nodes of two binary trees🌳
⏱ Time: O(n)
💾 Space: O(h)
Merge values, add node, and build the result recursively
#LeetCode #DSA #Java #BinaryTree #DFS #Recursion
If Binary Trees still confuse you, don't worry.
Every advanced tree problem is built on a few simple concepts.
Master the fundamentals first. The rest becomes much easier. 🌳
#BinaryTree #DSA #CodingInterview #Programming
Day 77 of #100DaysOfCode 🚀
Solved LeetCode 108: Convert Sorted Array to Binary Search Tree ✅
Used Divide & Conquer + Recursion to build a height-balanced BST 🌳
⏱ Time: O(n)
💾 Space: O(log n)
#LeetCode #DSA #Java #BST #BinaryTree #Recursion #CodingJourney
Day 76 of #100DaysOfCode🚀
Solved LeetCode 543: Diameter of Binary Tree ✅
Used DFS + Height Calculation to find the longest path in the tree🌳
⏱ Time: O(n)
💾 Space: O(h)
Track heights, update diameter, and get the answer
#LeetCode #DSA #Java #BinaryTree #DFS #Recursion
Today I completed Binary Trees.
Preorder, Inorder, Postorder Traversals
BFS & DFS
Height of Binary Tree
Sum, Maximum & Minimum Node
Diameter of Binary Tree
Lowest Common Ancestor (LCA)
Binary Tree vs BST
#100DaysOfCode #DSA #BinaryTree #Java #PlacementPreparation #CodingJourney
Day 78 of #100DaysOfCode
Solved LeetCode 100: Same Tree
Recursive tree traversal
Compared structure & node values
#LeetCode #Java #DSA #BinaryTree #Recursion #CodingJourney
101. Diameter of Binary Tree
check max diameter from each node
102. Binary Tree Right Side View
level order traversal
103. Count Good Nodes in Binary Tree
dfs, store current high
#DSA #BinaryTree #DFS
Day 75 of #100DaysOfCode 🚀
Solved LeetCode 226: Invert Binary Tree ✅
Used DFS + Recursion to swap left and right subtrees 🌳
⏱ Time: O(n)
💾 Space: O(h)
Recursive swapping = clean tree inversion 🔥
#LeetCode #DSA #Java #BinaryTree #DFS #Recursion #CodingJourney
🎊 624 Days of @geeksforgeeks #potd 🚀
Vertical Sum in Binary Tree 🌳
✅ Solved using:
🔹 BFS with Queue & Horizontal Distance
🔹 DFS with Recursion & Map
#JavaScript #BinaryTree #geeksforgeeks #DSA
Day 71 of #100DaysOfCode🚀
Solved LeetCode 110: Balanced Binary Tree ✅
Used DFS + Recursion — height() returns -1 for unbalanced subtrees 🌳
⏱ Time: O(n)
💾 Space: O(h)
one pass to rule them all!
#LeetCode #DSA #Java #BinaryTree #DFS #CodingJourney
Day 69 of #100DaysOfCode 🚀
Solved LeetCode 257: Binary Tree Paths ✅
Used DFS + Recursion to build all root-to-leaf paths 🌳
⏱ Time: O(n²)
💾 Space: O(h)
Path building through recursion = simple and elegant 🔥
#LeetCode #DSA #Java #BinaryTree #DFS #CodingJourney
Day 68 of #100DaysOfCode 🚀
Solved LeetCode 102: Binary Tree Level Order Traversal ✅
Used BFS + Queue to traverse tree level by level 🌳
⏱ Time: O(n)
💾 Space: O(n)
Level-wise traversal done cleanly using queue 🔥
#LeetCode #DSA #Java #BinaryTree #BFS #CodingJourney
Day 69 of #100DaysOfCode 🚀
Solved LeetCode 145: Binary Tree Postorder Traversal✅
Used recursion + DFS for Left → Right → Root traversal.
⏱ Time: O(n)
💾 Space: O(n)
⚡ Runtime: 0 ms
Tree traversals + recursion = clean logic🌳🔥
#LeetCode #DSA #Java #BinaryTree #Recursion
Day 66 of #100DaysOfCode 🚀
Solved LeetCode 101: Symmetric Tree ✅
Used recursive mirror comparison to check whether the tree is symmetric.
⏱ Time: O(n)
💾 Space: O(h)
⚡ Runtime: 0 ms
Cross subtree comparison = elegant recursion 🔥
#LeetCode #DSA #Java #BinaryTree #Recursion
💻☀️ Morning Grind 🔥
Solved 3 Binary Tree problems on LeetCode 🌳✔️
• Preorder Traversal
• Inorder Traversal
• Postorder Traversal
Strengthened tree traversal concepts and recursive thinking today 🚀
#DSA #LeetCode #CPP #Coding #BinaryTree #Recursion
Day 64 of #100DaysOfCode 🚀
Solved LeetCode 965: Univalued Binary Tree ✅
Used recursive DFS to verify whether all nodes have the same value.
⏱ Time: O(n)
💾 Space: O(h)
⚡ Runtime: 0 ms
Simple recursion with early false detection🔥
#LeetCode #DSA #Java #BinaryTree #Recursion
Day 172 of #100DaysOfCode ✅
Solved LeetCode #110: Balanced Binary Tree 🌳
Used recursion to check height balance 🔁
Strengthened Binary Tree + recursion concepts 💪
#LeetCode #DSA #BinaryTree #CodingJourney 🚀
Day 171 of #100DaysOfCode ✅
Solved LeetCode #100: Same Tree 🌳
Used recursion to compare both trees 🔁
Strengthened Binary Tree + recursion concepts 💪
#LeetCode #DSA #BinaryTree #CodingJourney 🚀
🔥 Day 94 – BST → Greater Sum Tree Mastered reverse inorder traversal (right → root → left) to convert BST efficiently. 💻 Runtime 0 ms (100%) | Memory 77.56% Recursion + Logic = Placement Power 🚀
#LeetCode #DSA #BinaryTree #Recursion #Day94 #CodingJourney
Day 170 of #100DaysOfCode ✅
Solved LeetCode #94: Binary Tree Inorder Traversal 🌳
Used recursion/stack for inorder traversal 🔁
Strengthened Binary Tree traversal concepts 💪
#LeetCode #DSA #BinaryTree #CodingJourney 🚀
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