Question what will the swap macro in the following program, Ask an Expert

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Question: What will the SWAP macro in the following program be expanded to on preprocessing? will the code compile?

#include #define SWAP(a, b, c)(c t; t=a, a=b, b=t) int main() { int x=10, y=20;

SWAP(x, y, int);

printf("%d %d\n", x, y);

return 0; }

1. It compiles

2. Compiles with an warning

3. Not compile

4. Compiles and print nothing

Can you answer what will the SWAP macro?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91241009

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