Programming language c++

1. Write a program that prints a triangle as follows: A AB ABC ABCD ABCDE 2. Write a program where you ask a user to enter 6 floating-point numbers between 0 and 30 from the keyboard, and you print them out one per line in the order the numbers are entered, then print the numbers in the reverse order, again one per line. For example, the user entered 2.1 3.2 4.3 5.4 6.5 7.6, your output should be: 2.1 3.2 4.3 5.4 6.5 7.6 7.6 6.5 5.4 4.3 3.2 2.1