Compilare: main.cpp: In function 'int dfslant(int, int, int)': main.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:134:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<lant[i].size();j++) ~^~~~~~~~~~~~~~~ main.cpp:139:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<=lant[i].size()*4;j++) aib[i].push_back(-1); ~^~~~~~~~~~~~~~~~~~ main.cpp:131:9: warning: variable 'aux' set but not used [-Wunused-but-set-variable] int aux=dfslant(1,0,0); ^~~