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Grokking the Coding Interview Patterns

Contains Duplicate

Explore how to determine if an integer array contains duplicates by implementing an efficient solution. Understand problem constraints, practice coding your approach, and master techniques that run in linear time using additional space. This lesson helps build problem-solving skills important for coding interviews.

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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 ≤ ...