Compilare: user.cpp: In function ‘int main()’: user.cpp:49:28: warning: right operand of comma operator has no effect [-Wunused-value] st = 1, dr = p, mij; ^ user.cpp:25:6: warning: unused variable ‘st’ [-Wunused-variable] int st, dr, mij, ok; ^ user.cpp:25:10: warning: unused variable ‘dr’ [-Wunused-variable] int st, dr, mij, ok; ^ user.cpp:25:14: warning: unused variable ‘mij’ [-Wunused-variable] int st, dr, mij, ok; ^ user.cpp:25:19: warning: unused variable ‘ok’ [-Wunused-variable] int st, dr, mij, ok; ^