Can any1 help me doing this programs ?
1. A program in C++that alows you to visualize in a table the areas of a circle, and the volume of a sphere for a radio, with a range from 0 to 2, rising by 0.2
2.a program in C++, where you give a number (total of money) and it tells you the minimum coins you could have. Coins are 10¢, 20¢, 50¢, 1, 2, 5 y 10 .
3. A program in C++ that alows you to change the extension of archives inside a folder.
Thanks a lot.