Compilare: main.cpp: In function 'int main()': main.cpp:60:9: warning: variable 'bak' set but not used [-Wunused-but-set-variable] int bak = dq.back(), frnt = dq.front(); // ajuta la debug ^~~ main.cpp:60:26: warning: variable 'frnt' set but not used [-Wunused-but-set-variable] int bak = dq.back(), frnt = dq.front(); // ajuta la debug ^~~~