Compilare: main.cpp: In function 'void dfs(int)': main.cpp:14:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:24:16: warning: unused variable 'aux' [-Wunused-variable] 24 | {int n,m,t,i,j,aux,x,y,p,a; | ^~~