Compute the remainder r of a divided by b. If r is equal to 0, then the GCD of a and b is b. Otherwise, set a to b and b to r, and go back to step 2. The Euclidean algorithm has a time complexity of O ...

This program offers a C++ solution to compute the Greatest Common Divisor (GCD) of two strings, showcasing an application of the Euclidean algorithm for string manipulation.