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 cin;
13
14 #include <iostream>
15 #include <cassert>
16
main()17 int main()
18 {
19 #if 0
20 std::cout << "Hello World!\n";
21 int i;
22 std::cout << "Enter a number: ";
23 std::cin >> i;
24 std::cout << "The number is : " << i << '\n';
25 #else // 0
26 assert(std::cin.tie() == &std::cout);
27 #endif
28 }
29