Compilare: main.cpp: In function 'int main()': main.cpp:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(j=0;j<CTC[i].size();j++) fout<<CTC[i][j]<<' '; | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs1(int)': main.cpp:48:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(i=0;i<G[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:61:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(i=0;i<Gt[x].size();i++) | ~^~~~~~~~~~~~~