Check if a string is rotation of another WITHOUT concatenating

Question

There are 2 strings , how can we check if one is a rotated version of another ?

For Example : hello --- lohel

One simple solution is by co

Answer 1

A very straightforward solution is to rotate one of the words n times, where n is the length of the word. For each of those rotations, check to see if the result is the same as the other word.