1. [You are given an array of strings tokens that represents an arithmetic expression in a Reverse Polish Notation.](https://leetcode.com/problems/evaluate-reverse-polish-notation/)\n2. [Combination Sum with a twist.](https://leetcode.com/problems/combination-sum-iii/)\n3. [Bulls and Cows](https://leetcode.com/problems/bulls-and-cows/)\n4. [You are given an integer array nums of length n. Return maximum length of Rotation Function.](https://leetcode.com/problems/rotate-function/)\n5. [Largest Divisible Subset.](https://leetcode.com/problems/largest-divisible-subset/)\n6. [How to find a perfect Rectangle.](https://leetcode.com/problems/perfect-rectangle/)\n7. [Scheduling a Course.](https://leetcode.com/problems/course-schedule/)\n8. [Profitable Path in a Tree.](https://leetcode.com/problems/most-profitable-path-in-a-tree/)\n9. [Number of Pairs satisfying Inequality.](https://leetcode.com/problems/number-of-pairs-satisfying-inequality/)\n10. [Shortest Unsorted continuous Subarray](https://leetcode.com/problems/shortest-unsorted-continuous-subarray/)\n11. [Number of ways to arrive at a Destination.](https://leetcode.com/problems/number-of-ways-to-arrive-at-destination/)\n12. [Longest Happy Prefix](https://leetcode.com/problems/longest-happy-prefix/)\n13. [Seat Arrangement in a SpiceJet Problem - Online OA February \u201822](https://leetcode.com/problems/airplane-seat-assignment-probability/)\n14. [Deletions to make an array divisible.](https://leetcode.com/problems/minimum-deletions-to-make-array-divisible/)\n15. [Substrings containing all three Characters](https://leetcode.com/problems/number-of-substrings-containing-all-three-characters/)\n\nA Challenge to make sure you start with your goals today , don\u2019t procrastinate and don\u2019t let your college decide your future!\n\nCheck it out:\nhttps://github.com/AyushJain2480/6Companies30DaysChallenge/tree/main/Microsoft\n\nFor complete details about the Challenge , go through the video (in Hindi) : \nhttps://linktw.in/z8I9wr\n

You are given an array of strings tokens that represents an arithmetic expression in a Reverse Polish Notation.\n2. Combination Sum with a twist.\n3. Bulls and 