Compilare: main.cpp: In function 'void sett(std::__cxx11::string)': main.cpp:45:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < ml.length() && cif(ml[i])){ ~~^~~~~~~~~~~~~ main.cpp: In function 'std::vector<long long int> reun(std::vector<long long int>, std::vector<long long int>)': main.cpp:74:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < v1.size() && j < v2.size()){ ~~^~~~~~~~~~~ main.cpp:74:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < v1.size() && j < v2.size()){ ~~^~~~~~~~~~~ main.cpp: In function 'std::vector<long long int> inters(std::vector<long long int>, std::vector<long long int>)': main.cpp:98:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < v1.size() && j < v2.size()){ ~~^~~~~~~~~~~ main.cpp:98:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < v1.size() && j < v2.size()){ ~~^~~~~~~~~~~