Eroare de compilare: user.cpp: In function ‘void update(int, int, int)’: user.cpp:14: error: ‘i’ was not declared in this scope user.cpp:15: error: ‘j’ was not declared in this scope user.cpp: In function ‘int q(int, int)’: user.cpp:23: error: expected primary-expression before ‘}’ token user.cpp:23: error: expected ‘;’ before ‘}’ token user.cpp:19: warning: unused variable ‘rez’ user.cpp:23: warning: no return statement in function returning non-void