Compilare: user.cpp: In function ‘bool apartine(char)’: user.cpp:23:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < culori.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:128:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < culori.size(); k++) ^ user.cpp:122:14: warning: ‘cul’ may be used uninitialized in this function [-Wmaybe-uninitialized] char cul; ^ user.cpp:148:34: warning: ‘index2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << index1 << " " << index2 << '\n'; ^ user.cpp:148:17: warning: ‘index1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << index1 << " " << index2 << '\n'; ^