Multiple choice technology programming languages

Note the code below and select the correct answer: #include main() { printf ("hello world"); }

  1. Will not compile

  2. Will compile without error or warning and run ok

  3. Will compile without error or warning but not run

  4. Will compile with warning but run ok

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In modern C standards, omitting the return type of main defaults to int, and omitting a return statement at the end of main is allowed. However, in older compilers, this code compiles with a warning about the missing return type but still runs successfully.