Compilare: user.cpp: In function ‘int cauta(int)’: user.cpp:28:10: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int r, y, nr; ^ user.cpp:28:13: warning: unused variable ‘nr’ [-Wunused-variable] int r, y, nr; ^ user.cpp:41:2: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void rezolva()’: user.cpp:50:10: warning: unused variable ‘j’ [-Wunused-variable] int i, j, cnt = 0, x, y; ^