What will be the output of the following C code?
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What will be the output of the following C code?
#include <stdio.h>
#define hello 10
int main()
{
#ifdef hello
#undef hello
#define hello 100
#else
#define hello 200
#endif
printf("%d", hello);
return 0;
}
Show answer & explanation
Answer: A. 100
Standard evaluation according to engineering and computational science principles.
Step-by-step Derivation:
Step 1: Analyze problem specification.
Step 2: Derive theoretical solution.
Step 3: Select corresponding answer option.