Answer: DASSAULT SYSTEMES | Minimum Operations to Reduce X to Zero | Off-Campus OA (2024

Approach Instead of removing elements from both ends, find the longest subarray whose sum equals: Total Sum - x Keeping this longest subarray means removing the fewest elements from the ends. Use the Sliding Window technique since all numbers are positive. Strategy Compute the total sum of the array. Calculate: target = totalSum - x Find the longest subarray with sum equal to target. If found: answer = n - longestLength Otherwise return -1. Java Code class Solution { public ...