#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double v = 10.0/3.;
std::cout << std::setw(10) << v << '\n';
std::cout << std::setw(5) << std::setprecision(2) << std::fixed << v << '\n';
std::cout << std::setw(5) << std::setprecision(2) << v << '\n';
std::cout << std::setw(5) << std::setprecision(2) << v << '\n';
}
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