is_sorted() : used to check whether the element of the given range is sorted or not in ascending order. vector<int> v = {1, 2, 3, 4, 5}; if (is_sorted(v.begin(), v.end())) cout << "So...

Traversing a binary tree iteratively using different methods (preorder, inorder, and postorder) without recursion. Iterative Preorder Traversal 🔹 Steps: Push the root node into the stack. ...

Preorder, Inorder, and Postorder Traversals in One Traversal vector<vector<int>> preInPostTraversal(TreeNode* root) { stack<pair<TreeNode*, int>> st; st.push({root,...

Given a Binary Search Tree (BST) and a target value 10, we need to return the entire node that contains this value. If the value does not exist in the tree, return nullptr. 8 ...

Below is a collection of binary search tree related problems along with their solutions and corresponding notes, all taken from Striver’s DSA playlist. Problem Name with Links ...

A Binary Search Tree is a type of binary tree that satisfies the following rules: Node Value Rule : For every node in the tree - All the values in the left subtree must be less than ...

Below is a list of apps and tools that I use regularly to make my tasks easier, helping me with coding, organizing, and browsing smoothly. Audio & Media AIMP ★★ - A free audio player with ...

Below is a collection of binary tree related problems along with their solutions and corresponding notes, all taken from Striver’s DSA playlist. Problem Name with Links Notes ...

Tree Data Structure A tree is a hierarchical data structure consisting of nodes, where one node is the root, and all other nodes are connected by edges. Binary Tree A binary tree is a type of tree...

📝 Note Breadth First Search (BFS) traverses the tree level by level. Depth First Search (DFS) explores as far down a subtree as possible before backtracking. Binary Tree Traversal Technique...