#include <cstdlib>
#include <iostream>

using namespace std;

int main()
{
int t, a, b, c, d, e;


while (cin >> t)
{
for (int s = 1; s <= t ; s++)
{
cin >> a >> b >> c >> d ;

if ( b/a == c/b && c/b == d/c)
{
e = d*d/c;
cout << a << " " << b << " " << c << " " << d << " " << e << endl;
}

else if ( b-a == c-b && c-b == d-c)
{
e = d+d-c;
cout << a << " " << b << " " << c << " " << d << " " << e << endl;
}
}
}

return 0;
}

+++歡迎討論+++

小弟是113管院畢業，出社會近一年，十分後悔沒有學好寫程式，目前自學C++中。

+++歡迎討論+++