Compilare: main.cpp: In function 'void Check(int)': main.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans.size();i++) { ~^~~~~~~~~~~ main.cpp:50:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(dp < g.size() and g[dp].cost >= ans[i].first + (1<<k)) addAdjacent(g[dp].node), dp++; ~~~^~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:61:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans.size();i++) Solutie[ans[i].second] = ans[i].first; ~^~~~~~~~~~~ main.cpp:62:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans.size();i++) fout<<Solutie[i]<<"\n"; ~^~~~~~~~~~~