Compilare: user.cpp: In function ‘int main()’: user.cpp:11:26: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] printf("%.6llf\n",res); ^ user.cpp:6:43: 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:7:45: 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:9:68: 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",&dist,&v1,&aux,&aux,&v2,&aux,&aux,&vf); ^