cpp string repeater.cpp

#include <string>
#include <sstream>
#include <iterator>
#include <iostream>
using namespace std;
string operator*(string &a, int b)
{
    if (b<=0) return "";
    if (b==1) return a;
    stringstream ss;
    fill_n(ostream_iterator<const char*>(ss), b, a.c_str());
    return ss.str();
}