C++11: use "range-based for" with argv

gistfile1.txt

$ g++ --version
g++ (GCC) 4.7.3
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


$ g++ --std=c++11 -o hello hello.cpp

$ ./hello reni kanako shiori ayaka momoka
Hello, reni!
Hello, kanako!
Hello, shiori!
Hello, ayaka!
Hello, momoka!

hello.cpp

#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main(int argc, char** argv)
{
    vector<string> args(argv+1, argv+argc);
    for (auto str : args) {
        cout << "Hello, " << str << "!" << endl;
    }
    return 0;
}