Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:5: error: ‘in’ was not declared in this scope in >> ch >> N; ^ user.cpp:10:21: error: ‘out’ was not declared in this scope if( ch == 'C' ) out << (N+1)*(N+1); ^ user.cpp:12:9: error: ‘out’ was not declared in this scope out << ((N/2)+1)*((N/2)+1); ^ user.cpp:14:10: error: ‘out’ was not declared in this scope else out << ((N+1)*(N+2)/2)-((N+1)/2)*((N+1)/2); ^