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Given an array nums and a value val, remove all instances of that value in-place 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. |
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The order of elements can be changed. It doesn't matter what you leave beyond the new length. |
Example 1:
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Given nums = [3,2,2,3], val = 3, Your function should return length = 2, with the first two elements of nums being 2. It doesn't matter what you leave beyond the returned length. |
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