Challenge: A Subarray with a Sum of 0

Try to solve the A Subarray with a Sum of 0 problem.

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Statement

Given a list containing both positive and negative integers, determine if there exists a sublist of consecutive elements whose elements sum to zero. Return TRUE if such a sublist exists; otherwise, return FALSE.

Constraints:

  • 1≤1 \leq arr.length ≤103\leq 10^{3}
  • 10−3≤10^{-3} \leq arr[i] ≤103\leq 10^{3}

Examples

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