6.9 Write a program that reads 10 integers and displays how many times the user entered successive values. For example, if the user enters -5, 10, 17, ?31, ?30, ?29, 75, 76, 9, ?4, the program should display 3 due to the pairs {-31, ?30}, {-30, ?29} and {75, 76}. pleas do it in c language not c++