func_code_string: #include <bits/stdc++.h>   using namespace std;   #pragma GCC optimize( -O2 )   const int LIM = 5e5 + 5, MOD = 1e9 + 7;   int t, n, m, k, x, y;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int tests;     cin >> tests;     cout << setprecision(10) << fixed;     while (tests--) {       long double d;       cin >> d;       long long v = d * d - 4 * d;       if (v < -1e-9) {         cout <<  N n ;       } else {         long double a, b, c;         c = sqrt(v);         a = (d + c) / 2;         b = (d - c) / 2;         cout <<  Y   << a <<     << b <<   n ;       }     }     return 0;   }   