10.6

10.42

#include <iostream>#include <string>#include <list>using std::string; using std::list;void elimDups(list<string> &words){    words.sort();    words.unique();}int main(){    list<string> l = { "aa", "aa", "aa", "aa", "aasss", "aa" };    elimDups(l);    for (const auto& e : l)        std::cout << e << " ";    std::cout << std::endl;}