Compilare: user.cpp: In function ‘int FindLCA(int, int)’: user.cpp:68:13: warning: unused variable ‘sx’ [-Wunused-variable] int diff , sx , Answer; ^ user.cpp: In function ‘int main()’: user.cpp:78:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j , x , y ; ^ user.cpp:110:47: warning: ‘second_member’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << Answer << " " << first_member <<" " <<second_member << "\n"; ^ user.cpp:110:26: warning: ‘first_member’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << Answer << " " << first_member <<" " <<second_member << "\n"; ^