Compilare: main.cpp: In function 'void DFS1(int, int)': main.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:63:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void DFS3(int, int)': main.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void Do()': main.cpp:120:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Comp[i].size();++j) ~^~~~~~~~~~~~~~~ main.cpp:120:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=0;j<Comp[i].size();++j) ^~~ main.cpp:121:35: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout<<Comp[i][j]<<" ";fout<<"\n";} ^~~~ main.cpp:128:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Nc.size();++i) ~^~~~~~~~~~ main.cpp:135:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<m.size();++i)fout<<m[i].first<<" "<<m[i].second<<"\n"; ~^~~~~~~~~