Compilare: user.c: In function ‘gasesc’: user.c:83:32: warning: variable ‘cy’ set but not used [-Wunused-but-set-variable] int m = (st + dr) / 2, cx, cy; ^ user.c: In function ‘main’: user.c:109:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:111:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x[i], &y[i]); ^