2. Write a C++ program that given any letter (uppercase or lowercase) it will display the same letter as lowercase.
How am I supposted to do this program? For example, if I enter A, it enters a. But if I enter b, it enters b. (always show the lowercase letter)
3. Cutting a cube
Is it possible to cut a large cube with side 13 into 2012 smaller cubes with
sides 1, 2 or 3 units?