Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:24: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator==’ if (q.front==i-k)front++; ^ user.cpp:23:26: error: ‘front’ was not declared in this scope if (q.front==i-k)front++; ^ user.cpp:24:26: error: ‘a’ was not declared in this scope if (i>=k)sum=sum+a[q.front]; ^ user.cpp:26:25: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘int*’ [-Wformat=] printf ("%d" , &sum ) ; ^ user.cpp:14:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("deque.in" , "r" , stdin ); ^ user.cpp:15:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("deque.out" , "w" , stdout ); ^ user.cpp:16:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d" , &n , &k ); ^ user.cpp:18:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d" , &v[i]); ^