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/**

* Question:

* Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.

* Do not allocate extra space for another array, you must do this in place with constant memory.

* For example,

* Given input array nums = [1,1,2],

* Your function should return length = 2, with the first two elements of nums being 1 and 2 respectively.

* It doesn't matter what you leave beyond the new length.

*

*/