C++ language. please provide detailed comments (for beginners) and use easy to understand/trace code.

Thank you

1 2 3 6 What's the Output? Answer the questions below concerning the following fragment of code. Assume a, b and n are type int. if (n b) { cout 0 and a sequence of n integers (e.g. from an input stream), print how many segments composed by consecutive copies of the same number the sequence has. Examples: The sequence 1 2 2 3 4 4 4 4 5 5 has 5 segments. The sequence 6 6 6 6 6 6 6 6 5 5 5 5 5 5 5 O O O 9 has 4 segments. The sequence 1 2 3 4 2 3 4 5 3 4 5 6 1 2 3 has 15 segments