Mark the following statements as true or false.

a. In C++, all operators can be overloaded for user-defined data types.

b. In C++, operators cannot be redefined for built-in types.

c. The function that overloads an operator is called the operator function.

d. C++ allows users to create their own operators.

e. The precedence of an operator cannot be changed, but its associativity can be changed.

f. Every instance of an overloaded function has the same number of parameters.

g. It is not necessary to overload relational operators for classes that have only int member variables.

h. The member function of a class template is a function template.

i. When writing the definition of a friend function, the keyword friend must appear in the function heading.

j. Templates provide the capability for software reuse.

k. The function heading of the operator function to overload the preincrement operator (++) and the post-increment operator (++) is the same because both operators have the same symbols.