Compilare: user.cpp: In function ‘int main()’: user.cpp:13:40: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] printf("%.6llf\n",vf*(dist/(v1+v2))); ^ user.cpp:8:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balulbobocilor.in","r",stdin); ^ user.cpp:9:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balulbobocilor.out","w",stdout); ^ user.cpp:11:87: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d %d %d",&distint,&v1int,&aux,&aux,&v2int,&aux,&aux,&vfint); ^