Remove Duplicates from Sorted Array II
Last updated
Last updated
Given a sorted array nums, remove the duplicates such that duplicates appeared at most twice and return the new length.
Do not allocate extra space for another array, you must do this by modifying the input array with O(1) extra memory.
Example 1:
Example 2:
Clarification:
Confused why the returned value is an integer but your answer is an array?
Note that the input array is passed in by reference, which means modification to the input array will be known to the caller as well.
Internally you can think of this: