print_pretty.cpp

#include <iostream>
#include <iomanip>
using namespace std;

int main() {
    int T; cin >> T;
    cout << setiosflags(ios::uppercase);
    cout << setw(0xf) << internal;
    while(T--) {
        double A; cin >> A;
        double B; cin >> B;
        double C; cin >> C;

        cout << hex << left << showbase << nouppercase;
        cout << (long long) A << endl;
        cout << dec << right << setw(15) << setfill('_') << showpos << fixed << setprecision(2);
        cout << B << endl;
        cout << scientific << uppercase << noshowpos << setprecision(9);
        cout << C << endl;
    }
    return 0;
}