Compilare: user.c: In function ‘main’: user.c:10:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘long int *’ [-Wformat=] scanf("%d%d",&a,&b); ^ user.c:10:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘long int *’ [-Wformat=] user.c:35:9: warning: statement with no effect [-Wunused-value] for(i;i<=b;i++) ^ user.c:45:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long int’ [-Wformat=] printf("%d %d",a,b1); ^ user.c:45:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] user.c:9:14: warning: unused variable ‘k’ [-Wunused-variable] long a,b,k=1,j,i,b1; ^ user.c:7:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("difprim.in","r",stdin); ^ user.c:8:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("difprim.out","w",stdout); ^ user.c:10:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^