Round 1:
- https://leetcode.com/problems/merge-intervals/
Variation of this problem. Asked to tell the max number of events happening at once on a given day where the intervals denote the start and end day in the month - https://leetcode.com/problems/add-two-numbers/
Round 2:
- https://leetcode.com/problems/spiral-matrix/
- https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/
Variation of buy and sell stock where you can hold as many stocks as you wish
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