Eroare de compilare: user.c: In function ‘main’: user.c:35:21: error: ‘mij’ undeclared (first use in this function) sup=mij-1; ^ user.c:35:21: note: each undeclared identifier is reported only once for each function it appears in user.c:14:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&N); ^ user.c:15:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&v[1]); ^ user.c:21:16: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&v[i]); ^