Compilare: user.cpp: In function ‘int main()’: user.cpp:37:12: warning: unused variable ‘ok’ [-Wunused-variable] int i, ok, lung, lat, lungime_actuala, latime_actuala; ^ user.cpp:37:27: warning: unused variable ‘lungime_actuala’ [-Wunused-variable] int i, ok, lung, lat, lungime_actuala, latime_actuala; ^ user.cpp:37:44: warning: unused variable ‘latime_actuala’ [-Wunused-variable] int i, ok, lung, lat, lungime_actuala, latime_actuala; ^