Compilare: user.cpp: In function ‘std::vector<std::basic_string<char> > get(std::vector<std::basic_string<char> >&, char, std::unordered_map<std::basic_string<char>, std::pair<int, int> >&)’: user.cpp:21:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; start < s.size(); ++start) ^ user.cpp: In function ‘std::vector<std::basic_string<char> > get(char, std::unordered_map<std::basic_string<char>, std::pair<int, int> >&)’: user.cpp:41:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; start < s.first.size(); ++start) ^ user.cpp: In function ‘int main()’: user.cpp:91:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < cuvant.size(); ++j) ^ user.cpp:67:9: warning: unused variable ‘size’ [-Wunused-variable] int size = 'z' - 'a' + 1; ^