Compilare: main.cpp: In function 'bool totalshift(std::__cxx11::string&, int&, int)': main.cpp:11:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < str.size(); ++i) { ~~^~~~~~~~~~~~ main.cpp: In function 'void brut(std::__cxx11::string&, int&)': main.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < str.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < str.size(); ++i) { ~~^~~~~~~~~~~~ main.cpp:41:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p < position[i].size() && position[i][p] < position[t].front()) { ~~^~~~~~~~~~~~~~~~~~~~