1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <iostream> 11 12 // istream cout; 13 14 #include <iostream> 15 16 int main() 17 { 18 #if 0 19 std::cout << "Hello World!\n"; 20 int i; 21 std::cout << "Enter a number: "; 22 std::cin >> i; 23 std::cout << "The number is : " << i << '\n'; 24 #else // 0 25 (void)std::cout; 26 #endif 27 } 28