Compilare: user.cpp: In function ‘void ReadInput()’: user.cpp:33:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lf", &N, &R); ^ user.cpp:35:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &ship[i].first, &ship[i].second); ^