#include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     for (int i = 0; i < n; i++) {       double x, y, z, a, b, c, sq;       cin >> x;       a = 1.0, b = x, c = x;       z = (b * b) - (4 * a * c);       if (z < 0) {         cout <<  N  << endl;         continue;       }       y = ((-b + (sqrt((b * b) - (4 * a * c)))) / 2 * a);       if (y != 0) y = -1 * y;       cout << fixed << setprecision(9) <<  Y   << (x - y) <<     << y << endl;     }   }   