0_0_16832221_29681.cpp: In function 'int main()': 0_0_16832221_29681.cpp:10:5: error: 'longlong' was not declared in this scope longlong A[5]; ^ 0_0_16832221_29681.cpp:15:15: error: 'A' was not declared in this scope cin>>A[0]>>A[1]>>A[2]>>A[3]; ^