C++转换操作符

using namespace std;

main() {
   double a = 21.09399;
   float b = 10.20;
   int c ;

   c = (int) a;
   cout << "Line 1 - Value of (int)a is :" << c << endl ;

   c = (int) b;
   cout << "Line 2 - Value of (int)b is  :" << c << endl ;

   return 0;
}