📌 Day 86 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Boundary Traversal of Binary Tree.🌳 Objective.Traverse the binary tree in the boundary order:. Left Boundary .All Leaf Nodes.Right Boundary. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 85 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Inorder Traversal of Binary Tree.🌳 Objective.Perform inorder traversal of a binary tree, i.e.,. Left → Root → Right. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 84 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Construct Tree from Inorder & Preorder.🌳 Objective.Given the inorder and preorder traversals of a binary tree, construct the tree and return its postorder traversal. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 83 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Mirror Tree.🌳 Objective.Given a binary tree, convert it into its mirror. 📖 Mirror of a binary tree is a tree with left and right subtrees of all nodes swapped. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 82 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Diameter of a Binary Tree.🌳 Objective.Given the root of a binary tree, find the diameter of the tree. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 81 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Height of Binary Tree.🌳 Objective.Given the root of a binary tree, find the height of the tree. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 80 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Level Order Traversal of Binary Tree.💡 Difficulty: Easy.🌳 Objective.Given the root of a binary tree, perform level order traversal. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 79 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Word Search.💡 Difficulty: Medium.🧩 Objective.Given an n x m grid of letters mat[][] and a word, determine if the word exists in the grid. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 78 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : Solve the Sudoku.💡 Difficulty: Hard.🧩 Objective.Fill a given 9×9 Sudoku board (some cells blank, marked as 0) . #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 77 of #GFG160DaysOfProblemSolving.🎯 Problem @geeksforgeeks : N-Queen Problem. 👑 Objective:. Place n queens on an n×n chessboard so that no two queens threaten each other (i.e.,no two queens share the same row, column, or diagonal). #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 76 of #GFG160DaysOfProblemSolving 📌.🎯 Problem @geeksforgeeks : Implement Pow (b^e). 🧠 Goal:.Implement power(b, e) that computes b^e (b raised to the power e), efficiently. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 75 of #GFG160DaysOfProblemSolving 📌.🎯 Problem @geeksforgeeks : Permutations of a String.🧠 Goal:. Generate all unique permutations of a string s, even if it has duplicate characters. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 74 of #GFG160DaysOfProblemSolving 📌. 🔐 Problem @geeksforgeeks : LRU Cache. 🧠 Objective:.Implement a Least Recently Used (LRU) Cache with:. get(key): returns value if key exists, else -1. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 73 of #GFG160DaysOfProblemSolving 📌. 🔗 Problem @geeksforgeeks : Remove Loop in Linked List. 🧠 Objective:.You're given the head of a linked list. If there exists a loop, your task is to remove the loop without losing any node. #GeeksforGeeks #gfg160 #geekstreak2025

📌Day 72 of #GFG160DaysOfProblemSolving 📌. 🔗Problem @geeksforgeeks : Find the First Node of Loop in Linked List. 🧠Objective:.Given a singly linked list, if there's a loop,return the first node where the loop starts. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 71 of #GFG160DaysOfProblemSolving 📌. 🔗 Problem @geeksforgeeks : Detect Loop in a Linked List. 🧠 Objective:.Check whether a singly linked list contains a loop. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 70 of #GFG160DaysOfProblemSolving 📌. 🔗 Problem @geeksforgeeks : Clone a Linked List with Next and Random Pointers. 🧠 Goal:.Given a linked list where each node has two pointers:.next, random . #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 69 of #GFG160DaysOfProblemSolving 📌. ➕ Problem @geeksforgeeks : Add Number Linked Lists. 🧠 Goal:.You are given two non-negative numbers in the form of linked lists . Add the two numbers and return the result as a linked list. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 68 of #GFG160DaysOfProblemSolving 📌. 🔁 Problem @geeksforgeeks : Linked List Group Reverse. 🧠 Objective: Re Problem : Linked List Group Reverseinked list. #GeeksforGeeks #gfg160 #geekstreak2025

📌 Day 67 of #GFG160DaysOfProblemSolving 📌. 🔀 Problem @geeksforgeeks : Merge Two Sorted Linked Lists. 🧠 Goal:.Given two sorted linked lists, merge them into a single sorted linked list. #GeeksforGeeks #gfg160 #geekstreak2025