Compilare: main.cpp: In function 'long long int sequences(int, std::vector<unsigned int>)': main.cpp:17:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < values.size(); ++i){ ~~^~~~~~~~~~~~~~~ main.cpp:24:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(hashtable.size() > limit){ ~~~~~~~~~~~~~~~~~^~~~~~~