Compilare: user.cpp: In function ‘short int ways(short int, short int, short int, short int)’: user.cpp:100:14: warning: variable ‘X’ set but not used [-Wunused-but-set-variable] short int X,Y; ^ user.cpp:100:16: warning: variable ‘Y’ set but not used [-Wunused-but-set-variable] short int X,Y; ^ user.cpp:103:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘short int find_bg()’: user.cpp:66:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘short int find_en()’: user.cpp:96:1: warning: control reaches end of non-void function [-Wreturn-type] } ^