Eroare de compilare: main.cpp: In member function 'void _AIB::update(int, int)': main.cpp:14:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | while (i < bit.size()) { | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:18: error: variable 'std::ifstream cin' has initializer but incomplete type 36 | ifstream cin ("aib.in"); | ^ main.cpp:37:19: error: variable 'std::ofstream cout' has initializer but incomplete type 37 | ofstream cout ("aib.out"); | ^ Non zero exit status: 1