func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     int n;     while (t--) {       scanf( %d , &n);       int k = sqrt(n);       if (n == 1)         cout << 0 << endl;       else if (k * k == n) {         cout << 2 * k - 2 << endl;       } else         cout << k - 1 + (n + k - 1) / k - 1 << endl;     }     return 0;   }   