#include "iostream"
#include "algorithm"
#include "vector"
#include "iterator"
#include "string"
#include "windows.h"

using namespace std;

int main()
{
vector<string> data;
istream_iterator<string> eof;
copy(istream_iterator<string>(cin),eof,back_inserter(data));

reverse(data.begin(),data.end());
copy(data.begin(),data.end(),ostream_iterator<string>(cout," "));
system("pause");
return 0;
}

#include "iostream"
#include "vector"
#include "iterator"
#include "windows.h"
#include "string"

using namespace std;

int main()
{
istream_iterator<string> in(cin);
ostream_iterator<string> out(cout," ");

while (in!=istream_iterator<string>())
{
*out=*in;
out++;
in++;
}
cout<<endl;
system("pause");
return 0;
}
这样也行哦。