Got stuck with Segmentation Fault Error

Question

I\'m writing a simple program in c and I\'m got stuck with this error

Segmentation Fault (Core dumped)

I know Se

Answer 1

Change

scanf("%d", a);

to

scanf("%d", &a);

scanf needs a pointer to a variable, not the value of a variable.

I can suggest you to add -Wall option when you compile. In your case gcc will warn you:

test.c: In function ‘main’:
test.c:25:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘int’ [-Wformat=]
     scanf("%d", a);
     ^