func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 3 * 1e5 + 5;   int main() {     int t;     cin >> t;     double a[1005], b[1005];     for (int i = 1; i <= t; ++i) {       int d;       cin >> d;       if (d < 4 && d > 0) {         a[i] = -1;         b[i] = -1;         continue;       }       double discr = sqrt((d * d - 4 * d) * 1.0);       a[i] = (d + discr) / 2;       b[i] = (d - discr) / 2;     }     for (int i = 1; i <= t; ++i) {       if (a[i] == -1)         cout <<  N n ;       else {         cout <<  Y  ;         printf( %.9f %.9f n , a[i], b[i]);       }     }     return 0;   }   