Interview Hack#39 Answer

What will be the output of the program if value 25 given to scanf()?

1. 25
2. 2
3. 1
4. 5
5. None Of the Above Option

Correct answer 3) 1

Explanation:

The scanf function returns the number of input is given.

printf("%d\n", scanf("%d", &i)); 

The scanf function returns the value 1(one).

Therefore, the output of the program is '1'.