const int perplexed = 2;

#define perplexed 3

main()

{

#ifdef perplexed

#undef perplexed

#define perplexed 4

#endif

printf("%d",perplexed);

}

a. 0

b. 2

c. 4

d. none of the above






const int perplexed = 2; #define perplexed 3 main() { #ifdef perplexed #undef..

Answer / guest

c)

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