Q21
Which of the following is a valid function declaration in C++?
A.
sum(int a, int b) { return a + b; }
B.
sum(int, int) { return a + b; }
C.
sum(a, b) { return a + b; }
D.
int sum(int a, int b);
AnswerAnswer: Option D
Solution
Answer: Option D
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