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// https://www.boost.org/doc/libs/1_67_0/doc/html/mpi/tutorial.html
#include <boost/mpi.hpp>
#include <iostream>
#include <string>
#include <functional>
#include <boost/serialization/string.hpp>
namespace mpi = boost::mpi;
int main()
{
mpi::environment env;
mpi::communicator world;
std::string names[10] = {"zero ", "one ", "two ", "three ",
"four ", "five ", "six ", "seven ",
"eight ", "nine "};
std::string result;
reduce(world,
world.rank() < 10 ? names[world.rank()]
: std::string("many "),
result, std::plus<std::string>(), 0);
if (world.rank() == 0)
std::cout << "The result is " << result << std::endl;
return 0;
}
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