Compilare: user.c: In function ‘main’: user.c:63:7: warning: unused variable ‘poz’ [-Wunused-variable] int poz, max = 0; ^ user.c:52:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:54:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x[i], &y[i]); ^