Compilare: user.cpp: In function ‘int main()’: user.cpp:55:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = f; i < muchii[curent].size(); i++) ^ user.cpp:60:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i != muchii[curent].size() - 1) ^ user.cpp:83:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < raspuns.size() - 1; i++) ^