Interview with UrbanTouch

UrbanTouch.com serves an essential human need – to look beautiful. We offer only the best and biggest brands so you can remain assured of the quality of every item we sell. We aim to provide you an incredible shopping experience, a wide range of brands and excellent customer service.
Interview went good:
The only one question they have asked,
Q1. write the implementation of String trim function. trim removes the spaces from start and end of string.
Program should run in O(n) and it should be optimum.

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