Compilare: user.cpp:8:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp:14:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘void Solve()’: user.cpp:84:17: warning: unused variable ‘delta’ [-Wunused-variable] long double delta=B*B-4.0*A*C; ^ user.cpp: In function ‘int main()’: user.cpp:160:39: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] printf("%.9llf %.9llf\n",best,cost); ^ user.cpp:160:39: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] user.cpp:98:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mst.in","r",stdin); ^ user.cpp:99:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mst.out","w",stdout); ^ user.cpp:101:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:105:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp:106:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a,&b,&c); ^