float a = 27.90; CString b; b.Format("%d", (int)(a * 100.00)); MessageBox(b, 0, 0);
int _tmain(int argc, _TCHAR* argv***91;***93;) { using std::cin; using std::cout; using std::endl; float a = 27.90; double b = 27.90; cout << a << endl; cout << (int)(a * 100) << endl; cout << (int)(a * 100.) << endl; cout << (int)(b * 100.) << endl; char pause; cin >> pause; return 0; }
27.9 2790 2789 2790