Bloomberg interview question

How to reverse a string

Interview Answers

Anonymous

31 Jan 2012

using two pointers, and the first pointing to the beginning, and the other pointing to the end, and both move to the middle, and do the swapping in the meantime.

1

Anonymous

20 Dec 2015

Java: return new StringBuilder(inputString).reverse().toString(); C++: return string(inputString.rbegin(), inputString.rend());