Given an array and a number x, find the pair in array whose sum is closest to x

[sameeksharl]

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• Languages available : C++, Java, Python (please do mention in which language you will be implementing)
• Well Commented Code
• In the starting, add a brief explanation of the algorithm and at the end add testcases as well
• if possible, add time and space complexity
• kindly upload your code in Arrays -> Language (C++, Java, Python) Folder
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