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Practice Remove Duplicates from Sorted Array

Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.

Easy#26
LeetCode Problem

Remove Duplicates from Sorted Array

Problem Statement

Given nums sorted in non-decreasing order, remove duplicates in place while preserving the unique values in sorted order. Put those values into the first k positions and return k, the number of unique values. Positions at or beyond k are ignored; the judge checks the returned count and the first k entries.

Source: Remove Duplicates from Sorted Array on LeetCode. Use the original task for its coding environment and submissions.

Examples

# Example 1

Input
nums = [1,1,2]
Output
2, nums = [1,2,_]

# Example 2

Input
nums = [0,0,1,1,1,2,2,3,3,4]
Output
5, nums = [0,1,2,3,4,_,_,_,_,_]

Constraints

1 <= nums.length <= 3 * 10^4
-100 <= nums[i] <= 100
nums is sorted in non-decreasing order.

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