Grokking the Coding Interview Patterns in Python/

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Contains Duplicate

Contains Duplicate

Try to solve the Contains Duplicate problem.

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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 ≤103\leq 10^3

  • −109≤-10^9 \leq nums[i] ≤109\leq 10^9

Examples

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