> // THE DRUNK JAILER
> // ÌâÄ¿Ë㷨ʵ¼ÊÉÏÊÇÇónÒÔÄÚµÄÍêȫƽ·½ÊýµÄ¸öÊý
> // ÒòΪֻÓÐÍêȫƽ·½ÊýÓÐÆæÊý¸öÒò×Ó
> #include <iostream>
> #include <cmath>
> using namespace std;
> 
> int main() {
>     
>     int lines, n;
>     cin >> lines;
>     
>     while (lines--) {
>         cin >> n;
>         cout << (int)sqrt(n) << endl;         //sqrt(float or double类型)
>     }
>     
>     system("PAUSE");
>     return 0;
> }