Compilare: main.cpp: In function 'void DFS(int)': main.cpp:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int i = 0; i < mu[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:9:15: warning: unused variable 'maxi' [-Wunused-variable] 9 | long long maxi = -2e9; | ^~~~ main.cpp: In function 'int main()': main.cpp:28:12: warning: unused variable 'x' [-Wunused-variable] 28 | int t, x, y, n, m; | ^ main.cpp:28:15: warning: unused variable 'y' [-Wunused-variable] 28 | int t, x, y, n, m; | ^