func_code_string: #include <bits/stdc++.h>   using namespace std;   const int inf = 0x3f3f3f3f;   const int maxn = 1e5 + 5;   const int mod = 1e9 + 7;   const double eps = 1e-8;   int t, n;   int main() {     scanf( %d , &t);     while (t--) {       scanf( %d , &n);       if (n == 1)         puts( 0 );       else if (n == 2)         puts( 1 );       else {         int cnr = ceil(sqrt(n));         int cnt = (cnr - 1) * 2;         int a = cnr * cnr - n;         cout << cnt - a / cnr << endl;       }     }     return 0;   }   