Question: Consider the following problem: Given: an unsorted array A of n1 distinct integers from the range 1 to n, nd the missing integer. Example: A

Consider the following problem:

Given: an unsorted array A of n1 distinct integers from the range 1 to n, nd the missing integer.

Example: A = [5, 1, 3, 4]. The answer: 2 is missing

Propose 3 different algorithms to solve this problems with running times O(n), O(nlog(n)) and O(n2)

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