How would one see if an array has consecutive numbers in C++?

How would one see if an array has consecutive numbers in C++?

References

Reference NO 1

http://stackoverflow.com/questions/15188566/how-would-one-see-if-an-array-has-consecutive-numbers-in-c

Reference NO 2

http://www.geeksforgeeks.org/check-if-array-elements-are-consecutive/

Reference NO 3

http://www.careercup.com/question?id=8121665

Reference NO 4

http://www.dreamincode.net/forums/topic/291660-printing-consecutive-numbers/

Reference NO 5

http://www.cplusplus.com/forum/beginner/85262/

Reference NO 6

http://www.functionx.com/cpp/Lesson12.htm

Reference NO 7

http://www.programmingforums.org/post163768.html

Reference NO 8

http://bytes.com/topic/c/answers/222032-finding-repeated-missing-numbers