Eroare de compilare: user.c: In function ‘main’: user.c:67:6: error: redeclaration of ‘x’ with no linkage int x; ^ user.c:51:6: note: previous declaration of ‘x’ was here int x, y; ^ user.c:43:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &n, &m); ^ user.c:53:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &x, &y); ^