Question

Which of the following is an invalid method for input?

(a) scanf(“%d%d%d”,&a, &b, &c);

(b) scanf(“%d %d %d”, &a, &b, &c);

(c) scanf(“Three values are %d %d %d”,&a,&b,&c);

(d) none of the mentioned

I had been asked this question during an online exam.

This question is from Formatted Input in section Input and Output in C of C

Answer 1

Right answer is (d) none of the mentioned

The best explanation: None.