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Amazon OA | SDE2 Interview Questions

Round 1

Questions: Given an array of N positive integers. You can make any number of elements in it negative such that every prefix sum of the array remains positive i.e >0. Find the maximum number of elements you can make negative.

Example:

5 2 3 5 2 3

Answer = 3. This can be converted to

5 -2 3 5 -2 -3

N is 10^5, Ai <= 10^9.

Candidate's Approach

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