well I have had similar problems with cin.get and cin.getline before I included cstring #include <iostream> #include <cstring> using namespace...
well you can use floating point or even double, and if you need "big" numbers use long double
well man you have many tutorials on array theme :) as xpiotos has already said... array is just bunch of elements of some type put on one place......
Separate names with a comma.