Compilare: user.cpp: In function ‘std::vector<int, std::allocator<int> > compute(int)’: user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp:64: warning: comparison between signed and unsigned integer expressions user.cpp:66: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:99: warning: comparison between signed and unsigned integer expressions user.cpp:76: warning: unused variable ‘j’ user.cpp:76: warning: unused variable ‘aux’