Compilare: user.c: In function ‘main’: user.c:11:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int **’ [-Wformat=] fscanf(f,"%d %d %d",&n,&a,&b); ^ user.c:11:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 4 has type ‘int **’ [-Wformat=] user.c:11:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 5 has type ‘int **’ [-Wformat=] user.c:12:14: warning: comparison between pointer and integer [enabled by default] for(j=1;j<=b;j++) ^ user.c:14:13: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int **’ [-Wformat=] fscanf(f,"%d",&x); ^ user.c:17:26: warning: assignment makes integer from pointer without a cast [enabled by default] for(i=x;i<=b;i++) ^ user.c:17:30: warning: comparison between pointer and integer [enabled by default] for(i=x;i<=b;i++) ^ user.c:21:11: warning: assignment makes integer from pointer without a cast [enabled by default] for(i=a;i<=b;i++) ^ user.c:21:15: warning: comparison between pointer and integer [enabled by default] for(i=a;i<=b;i++) ^ user.c:11:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&a,&b); ^ user.c:14:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^