Compilare: user.c: In function ‘main’: user.c:9:19: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] int f, p, i, r, j; ^ user.c:11:3: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &t ); ^~~~~~~~~~~~~~~~~~~~~~~ user.c:13:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &m, &d ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~