Compilare: main.cpp: In function 'void make_dsu(std::vector<std::pair<int, int> >)': main.cpp:93:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int poz=0;poz<order.size();poz++) ~~~^~~~~~~~~~~~~ main.cpp:98:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(qpoz<vals.size()&&vals[qpoz].second>value) ~~~~^~~~~~~~~~~~ main.cpp:105:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz+1==order.size()) ~~~~~^~~~~~~~~~~~~~ main.cpp:107:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(qpoz<vals.size()) ~~~~^~~~~~~~~~~~