Arrays Series #3- Equilibrium index of an array - Solution Explained in Java

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Given an array A of n positive numbers. The task is to find the first Equilibium Point in the array.
Equilibrium Point in an array is a position such that the sum of elements before it is equal to the sum of elements after it.

Note: Retun the index of Equilibrium point. (1-based index)

Example 1:

Input:
n = 5
A[] = {1,3,5,2,2}
Output: 3
Explanation: For second test case
equilibrium point is at position 3
as elements before it (1+3) =
elements after it (2+2).

Practice links:

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Created and Instructed by:
Varsha Das

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