Contains Duplicate

Try to solve the Contains Duplicate problem.

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

Level up your interview prep. Join Educative to access 70+ hands-on prep courses.