Compilare: user.c: In function ‘main’: user.c:17:7: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘short int *’ [-Wformat=] scanf("%d",&n); ^ user.c:15:20: warning: unused variable ‘fib2’ [-Wunused-variable] char fib1[500],fib2[500]; ^ user.c:15:10: warning: unused variable ‘fib1’ [-Wunused-variable] char fib1[500],fib2[500]; ^ user.c:13:13: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("nunta.in","r",stdin); ^ user.c:14:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("nunta.out","w",stdout); ^ user.c:17:12: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^