Eroare de compilare: user.cpp: In member function ‘void AIB::update(int, int)’: user.cpp:30:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (; pos < aib.size(); pos += lsb(pos)) ^ user.cpp: In function ‘int main()’: user.cpp:170:16: error: ‘t’ was not declared in this scope cin >> t >> a >> b >> k; ^ user.cpp:170:21: error: ‘a’ was not declared in this scope cin >> t >> a >> b >> k; ^ user.cpp:170:26: error: ‘b’ was not declared in this scope cin >> t >> a >> b >> k; ^ user.cpp:170:31: error: ‘k’ was not declared in this scope cin >> t >> a >> b >> k; ^