#include <iostream>
#include <iterator>
#include <algorithm>
#include <string>
using namespace std;
int main()
{
fill_n(ostream_iterator<string>(cout, "\n"),
10, string("Hello, world"));
}
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Hello, world
Hello, world
Hello, world
Hello, world
Hello, world
Hello, world
Hello, world
Hello, world
Hello, world
Hello, world