SHOULD BE IN C++

Exercise P6.8. Write a predicate function bool same set(vectorcint a, vector int> b) that checks whether two vectors have the same elements in some order, ignoring multiplicities. For example, the two vectors 1 4 9 16 9 7 4 9 11 and 11 11 7 9 16 4 1 would be considered identical. You will probably need one or more helper functions