I\'m thinking of purchasing Leetcode Premium for a few months, but before doing that I would love to have a list of the most useful premium questions to solve, so that I can get my money\'s worth!\n\nCould you help by posting one or few Premium questions you found interesting?\nI can compile them into a list here\n\nA few I did outside Leetcode:\n\n**Easy**\n[Meeting Rooms](https://leetcode.com/problems/meeting-rooms/)\n\n**Medium**\n[Meeting Rooms II](https://leetcode.com/problems/meeting-rooms-ii/)\n\n**Hard**\n[Maximum Average Subarray](https://leetcode.com/problems/maximum-average-subarray-ii/)\n\n\nMany thanks :)

I\'m thinking of purchasing Leetcode Premium for a few months, but before doing that I would love to have a list of the most useful premium questions to solve, 