I have seen this on the Internet. What is a circular sorted array?
This usually refers to an array in which elements are sorted, but can be rotated. For example:
4 5 6 7 1 2 3
The elements here, ( 1 2 3 4 5 6 7 ), are "in order", but they rotate left by three.
1 2 3 4 5 6 7