Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:42:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int x=0; x<v[nod].size(); ++x) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:163:14: warning: operation on 'cont' may be undefined [-Wsequence-point] 163 | f>>a[++cont].timp>>a[cont].casa>>a[cont].tip; | ^~~~~~ main.cpp:163:14: warning: operation on 'cont' may be undefined [-Wsequence-point]