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// stold example
#include <iostream> // std::cout
#include <string> // std::string, std::stod
int main ()
{
std::string orbits ("90613.305 365.24");
std::string::size_type sz; // alias of size_t
long double pluto = std::stod (orbits,&sz);
long double earth = std::stod (orbits.substr(sz));
std::cout << "Pluto takes " << (pluto/earth) << " years to complete an orbit.\n";
return 0;
}
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