c++ primer 习题9.41

#include <iostream>
#include <vector>
#include <list>
#include <string>
#include <algorithm>

using namespace std;

string greet(string form ,string lastname,string title,
    string::size_type pos,int length)
{
 form.replace(8,lastname.length(),lastname);
 form.replace(5,2,title,5,length);
 return form;
}

int main(int argc,char **argv)
{
 string generic1("Dear Ms Daisy:");
 string generic2("MrsMsMissPeople");

 string lastname("Annap");
 string salute=greet(generic1,lastname,generic2,5,4);

 cout<<salute<<endl;

 return 0;
}