#include <iostream>
#include <iomanip>
int main()
{
int a = 1, b = 3;
std::cout << std::setprecision(100) << static_cast<float>(a)/b << std::endl;
std::cout << std::setprecision(100) << static_cast<double>(a)/b << std::endl;
std::cout << std::setprecision(100) << static_cast<long double>(a)/b << std::endl;
}
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