Which of the following is the correct way to read an integer variable num using scanf?

easy📝 Syntax Q12 of 15

C - Input and Output

Which of the following is the correct way to read an integer variable num using scanf?

Ascanf("%s", &num);

Bscanf("%d", num);

Cscanf("%f", &num);

Dscanf("%d", &num);

Step-by-Step Solution

Solution:

Step 1: Identify the correct format specifier for integer
Use %d to read an integer.
Step 2: Use the address operator for variables
Use &num to pass the address of the variable to scanf.
Final Answer:
scanf("%d", &num); -> Option D
Quick Check:
Integer input needs %d and &variable [OK]

Quick Trick: Use & before variable except arrays [OK]

Common Mistakes:

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