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Grokking the Coding Interview Patterns in C#

Contains Duplicate

Explore how to detect duplicate integers in an array efficiently. This lesson helps you understand the problem constraints and implement a solution that runs in linear time and uses linear space, preparing you to handle similar coding interview questions confidently.

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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 ≤ ...