Maximizing Sum

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Given an array with $N$ integer. We have to find maximum Subarray sum we can obtain from the given array. We have special power of changing the sign(+ve to -ve OR -ve to +ve) of atmost $k$ element of the array. So find the maximum subarray sum that can be obtained by uisng the special power atmost $K$ times. Note : subarray should be of size greater than equal to 1. ###Input: - F

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solution.cppC++17

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