Question

Which of the variables will be read in values from the user input string 10,3.14,5? int a, c; float b; scanf("%d , %f , %d", &a, &b, &c);

a. a and b
b. a, b, and c
c. None of them
d. Only a
e. a and c

Answer 1

In the given scenario, variables a, b, and c will all successfully read the values from the user input string "10,3.14,5" as they match the expected format in the scanf function call.

Step-by-step explanation:

The student's question involves correctly using the scanf function in C programming to read input values into the respective variables. When the scanf function is called with the format string "%d , %f , %d", it expects an integer, a float, and another integer, separated by commas. Given the user input string "10,3.14,5", the variables a, b, and c will be read as follows:

• int a will read the value 10
• float b will read the value 3.14
• int c will read the value 5

All three variables will successfully read the values since the input format matches the format string provided in the scanf function.