Compilare: user.c: In function ‘main’: user.c:13:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &T ); ^~~~~~~~~~~~~~~~~~~~~~~ user.c:18:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin,"%d%d%d%d%d", &D, &v[1], &v[2], &v[3], &v[4] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~