Compilare: user.cpp: In function ‘void read()’: user.cpp:49:84: warning: format ‘%d’ expects argument of type ‘int*’, but argument 7 has type ‘double*’ [-Wformat=] scanf("%lf %lf %lf %lf %lf %d", &a.x, &a.y, &a.z, &b.x, &b.y, &b.z, &v[i].s); ^ user.cpp:49:84: warning: too many arguments for format [-Wformat-extra-args] user.cpp:44:12: warning: unused variable ‘s’ [-Wunused-variable] int i, s; ^ user.cpp:45:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &t); ^ user.cpp:49:85: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf %lf %lf %lf %d", &a.x, &a.y, &a.z, &b.x, &b.y, &b.z, &v[i].s); ^