Compilare: user.cpp: In function ‘void torol(std::vector<uthossz>&, int)’: user.cpp:56:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p*2<kupac.size() && kupac[p*2].ut<kupac[poz].ut) ~~~^~~~~~~~~~~~~ user.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p*2+1<kupac.size() && kupac[p*2+1].ut<kupac[poz].ut) ~~~~~^~~~~~~~~~~~~