Given an array having both positive and negative integers. The task is to compute the length of the largest subarray with sum 0.
Example 1:
Input:
N = 8
A[] = {15,-2,2,-8,1,7,10,23}
Output: 5
Explanation: The largest subarray with
sum 0 will be -2 2 -8 1 7.
Your Task:
You just have to complete the function maxLen() whichtakes two arguments an array A and n, where n is the size of the array A and returns the length of the largest subarray with 0 sum.
Expected Time Complexity: O(N). Expected Auxiliary Space: O(N).
Constraints:
1 <= N <= 105
-1000 <= A[i] <= 1000, for each valid i
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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