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Grokking the Coding Interview Patterns in C++

Contains Duplicate

Understand how to determine if an array contains duplicate integers using an efficient approach. This lesson helps you practice and apply coding interview patterns by implementing a solution that runs in linear time, reinforcing your problem-solving skills in array manipulation.

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Statement

For a given array of integers, nums, return TRUE if it contains duplicates. Otherwise, return FALSE.

Constraints:

  • 1≤1 \leq nums.length ≤ ...