Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(i=0; i<v[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:27:24: warning: unused variable 'aux' [-Wunused-variable] 27 | int n, m, t, i, j, aux, x, y, p, a; | ^~~