Top Tweets for #binarytree
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
Day 76 of #100DaysOfCoding
Solved LeetCode 94 — Binary Tree Inorder Traversal
• Practiced Binary Tree traversal
• Learned Left → Root → Right traversal flow
• Improved recursion understanding in Java
#Java #LeetCode #DSA #BinaryTree #Recursion #CodingJourney
Day 74 of #100DaysOfCode 🚀
Solved LeetCode 199: Binary Tree Right Side View ✅
Used DFS + Level Tracking with right-first traversal 🌳
⏱ Time: O(n)
💾 Space: O(h)
Right-first traversal = instant right-side visibility 🔥
#LeetCode #DSA #Java #BinaryTree #DFS #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 73 of #100DaysOfCode 🚀
Solved LeetCode 112: Path Sum ✅
Used DFS + Recursion to validate root-to-leaf target sum 🌳
⏱ Time: O(n)
💾 Space: O(h)
Reducing target during traversal keeps the solution clean 🔥
#LeetCode #DSA #Java #BinaryTree #DFS #Recursion #CodingJourney
Day 72 of #100DaysOfCode 🚀
Solved LeetCode 230: Kth Smallest Element in a BST ✅
Used DFS + Inorder Traversal to leverage BST ordering 🌳
⏱ Time: O(n)
💾 Space: O(h)
Inorder traversal = naturally sorted BST values 🔥
#LeetCode #DSA #Java #BST #BinaryTree #DFS #CodingJourney
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 70 of #100DaysOfCode🚀
Solved LeetCode 103: Binary Tree Zigzag Level Order Traversal✅
Used BFS + Two Stacks for alternating level traversal 🌳
⏱ Time: O(n)
💾 Space: O(n)
Direction switching = clean zigzag traversal 🔥
#LeetCode #DSA #Java #BinaryTree #BFS #CodingJourney
Solved Binary Tree problems 🌳💻
Top View, Bottom View, Left View, Right View & Balanced Tree.
#DSA #Trees #BinaryTree #Coding #ProblemSolving
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
Finished grinding Tree questions on LeetCode 🌳💻
LCA, BSTs, recursion, traversals… brain officially went through every branch 😵💫
#LeetCode #DSA #Java #BinaryTree #Coding #Programmer #CodeNewbie #100DaysOfCode #Recursion #BST #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
Solved few Tree questions on LeetCode today ✅
Binary Trees, BSTs, recursion… brain officially fried 😵💫🌳💻
#LeetCode #Java #DSA #Coding #Programmer #CodingLife #ComputerScience #Developer #100DaysOfCode #Tech #CodeNewbie #DataStructures #Algorithms #Recursion #BinaryTree #BST
78. Min Stack
stack<pair<int,int>>, store val and minVal
79. Balanced Binary Tree
iterate with {isBalanced, height} for node, and compare
#DSA #Stack #BinaryTree #DFS
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 464 - Leetcoding with Kids - 94. Binary Tree Inorder Traversal
带娃刷题第464天 二叉树中序遍历/递归
#leetcode #tutorial #daily #learning #python #programming #力扣 #编程 #计算机 #学习 #coding #recursion #binarytree #递归 #二叉树
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