Answer 1

std::cout is the C++ way to print things to the screen, and can print out integers, strings, chars, floats etc. std::cin is the C++ way to get input from the user, and supports the same data types that std::cout does. If/else statements are called conditional statements, which means that it checks whether something is equal, not-equal, less-than or greater-than something else. Else means that if the condition within the if-statement is false, the code in the scope of else will execute.