Compilare: main.cpp: In function 'int main()': main.cpp:55:9: warning: variable 'bak' set but not used [-Wunused-but-set-variable] int bak = dq.back(), frnt = dq.front(); // ajuta la debug ^~~ main.cpp:55:26: warning: variable 'frnt' set but not used [-Wunused-but-set-variable] int bak = dq.back(), frnt = dq.front(); // ajuta la debug ^~~~ main.cpp:46:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("knumere.in", "r", stdin); ^ main.cpp:47:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("knumere.out", "w", stdout); ^ main.cpp:49:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:51:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^