Please use c++

Write high-level code for these four functions in order to understand computer arithmetic. You can use any high-level programming language you are familiar with, such as Java or C++, or Python:

Write a function that receives a string containing an unsigned 16-bit binary integer. The function must return the strings integer value.

Write a function that receives a string containing an unsigned 32-bit hexadecimal integer. The function must return the strings integer value.

Write a function that receives an unsigned integer. The function must return a string containing the binary representation of the integer.

Write a function that receives an unsigned integer. The function must return a string containing the hexadecimal representation of the integer.