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Round 1

Questions: Given an array of increasing integer sequence, find the Kth number in the missing sequence between these integers.

Input: [2, 4, 7, 8, 9, 13] and K = 2
Output: 5
Since 5 is the second number in that missing sequence [3, 5, 6, 10, 11, 12].

Candidate's Approach

Figured it was binary search, however was not able to completely solve it.

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