Compilare: main.cpp: In function 'void SortTop(int)': main.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Ad[x].size(); ++i) ~^~~~~~~~~~~~~ main.cpp: In function 'void DFS(int)': main.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Ad_rev[x].size(); ++i) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Adc[nod].size();++i) ~^~~~~~~~~~~~~~~~ main.cpp:59:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Adc_rev[nod].size();++i) ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:90:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<Ad[i].size(); ++j)if(Comp[i]!=Comp[Ad[i][j]]) ~^~~~~~~~~~~~~