习题5.18 的一些理解

#include "stdafx.h"#include <iostream>#include <vector>#include <string>using namespace std;int main(){vector<string *> p;string str;cout<<"Enter the string (end with the ctrl+Z)"<<endl;while(cin>>str){ string *st=new string;*st=str;p.push_back(st);}vector<string *>::iterator iter=p.begin();while (iter!=p.end()){ cout<<**iter << (**iter).size() <<endl;++iter;}iter=p.begin();while(iter!=p.end()){ delete *iter;++iter;}return 0;}