October 2025 GFG SOLUTION

📜 Table of Contents 📜

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• Introduction📝

• Solutions💡

• Day 1: All Unique Permutations of an array🔀🌀♻️

• Day 2: Unique K-Number Sum🎯🪄📈

• Day 3: Possible Words From Phone Digits📱📞🔢

• Day 4: Expression Add Operators💡🧮🏁

• Day 5: Rat in a Maze🐭🐀🚀

• Day 6: The Knight's tour problem♞♟️🔄

• Day 7: Bottom View of Binary Tree🌳📚🔍

• Day 8: Construct Tree from Preorder & Postorder🌳🌲📘

Introduction

This repository contains solutions to daily problems from GeeksforGeeks. Each day, a new problem is provided along with its solution.

Day 1(01 OCT) : All Unique Permutations of an array

Day 2(02 OCT) : Unique K-Number Sum

Day 3(03 OCT) : Possible Words From Phone Digits

Day 4(04 OCT) : Expression Add Operators

Day 5(05 OCT) : Rat in a Maze

Day 6(06 OCT) : The Knight's tour problem

Day 7(07 OCT) : Bottom View of Binary Tree

Day 8(08 OCT) : Construct Tree from Preorder & Postorder