Hi I need help with the following questions in C++. Thanks in advance!

What are adaptors and algorithms used for in STL? Give an example for each, explaining their purpose. Explain each of the following C++11 features and give an example illustrating the usage of each. a. auto. b. Range for. Write a wrapper class wrapint, with a constructor consistent with the example below, to change the interface of a stored integer so that addition and subtraction are exchanged. Thus wrapint a(5), b (4) cout