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Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length. |
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Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. |
Example 1:
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Given 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 returned length. |
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