b) #include <iostream>
c) #undef <iostream>
d) #macro <iostream>
Answer: b
Explanation: For a c++ program to execute, we need #include
What is the mandatory preprocessor directive for c++?
a) #define <iostream>
b) #include <iostream>
c) #undef <iostream>
d) #macro <iostream>
Answer: b
Explanation: For a c++ program to execute, we need #include.
b) #include <iostream>
c) #undef <iostream>
d) #macro <iostream>
Answer: b
Explanation: For a c++ program to execute, we need #include
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