Eroare de compilare: user.cpp:16:9: error: redefinition of ‘double a’ double a, b, dx, dy; ^ user.cpp:10:12: error: ‘double a’ previously declared here double a, b; ^ user.cpp:16:12: error: redefinition of ‘double b’ double a, b, dx, dy; ^ user.cpp:10:15: error: ‘double b’ previously declared here double a, b; ^ user.cpp:18:41: warning: ‘typedef’ was ignored in this declaration [enabled by default] typedef struct punct{double x; double y;}; ^ user.cpp: In function ‘bool Bynary(punct, int, int)’: user.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type] } ^