Compilare: user.c: In function ‘main’: user.c:51:36: warning: unused variable ‘p2’ [-Wunused-variable] int max = 1, j, ci, repr, repr2, p2; ^ user.c:51:19: warning: variable ‘ci’ set but not used [-Wunused-but-set-variable] int max = 1, j, ci, repr, repr2, p2; ^ user.c:51:16: warning: unused variable ‘j’ [-Wunused-variable] int max = 1, j, ci, repr, repr2, p2; ^ user.c:44:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.c:46:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^