Question
What will be the output of the following $\mathrm{C}$ code? Explain your answer.#define sqr(X) X * Xmain() {int k = sqr (10 + 20);printf("%d", k);}
Step 1
In C, a macro is a way to define a sequence of code that is substituted in place of the macro invocation. The macro function sqr(X) is defined as X * X. Show more…
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