Compilare: user.c: In function ‘main’: user.c:18:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘unsigned char *’ [-Wformat=] fscanf(fin,"%d",&a[i]); ^ user.c:20:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘unsigned char *’ [-Wformat=] fscanf(fin,"%d",&b[i]); ^ user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&m,&n); ^ user.c:18:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a[i]); ^ user.c:20:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&b[i]); ^