Compilare: user.cpp: In function 'int cauta(int, int, int)': user.cpp:23: warning: left-hand operand of comma has no effect user.cpp:23: warning: right-hand operand of comma has no effect user.cpp:25: warning: left-hand operand of comma has no effect user.cpp:25: warning: right-hand operand of comma has no effect user.cpp:26: warning: control reaches end of non-void function