segmentation fault using scanf with integer

Question

I am getting a segmentation fault in my C code when trying to read integer input from the user with the following functon:

int userChoice = 0, tS;
float tR,         


        

Answer 1

scanf("%d", userChoice);

=〉

scanf("%d", &userChoice);

Answer 2

Should be:

scanf("%d", &userChoice);

Need the ampersand to read it into the location of userChoice, and not the value of userChoice.