Compilare: main.cpp: In function 'void DFS(int)': main.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:31: warning: 'poz2' may be used uninitialized in this function [-Wmaybe-uninitialized] 47 | grad[poz1]++;grad[poz2]++; | ~~~~~~~~~^ main.cpp:47:18: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] 47 | grad[poz1]++;grad[poz2]++; | ~~~~~~~~~^