Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:36: error: ‘stdin’ was not declared in this scope freopen("slidingwindow.in","r",stdin); ^~~~~ user.cpp:16:41: error: ‘freopen’ was not declared in this scope freopen("slidingwindow.in","r",stdin); ^ user.cpp:17:37: error: ‘stdout’ was not declared in this scope freopen("slidingwindow.out","w",stdout); ^~~~~~ user.cpp:21:26: error: ‘scanf’ was not declared in this scope scanf("%d %d", &N, &D); ^ user.cpp:41:23: error: ‘printf’ was not declared in this scope printf("%d\n", Ans); ^