Compilare: main.cpp: In function 'void dfs(int)': main.cpp:25:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 25 | auto [nxt, ind] = G[nod].back(); | ^ main.cpp: In function 'int main()': main.cpp:65:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int i = 1; i < ans.size() - 1; i += 2) | ~~^~~~~~~~~~~~~~~~ main.cpp:50:9: warning: unused variable 'aux' [-Wunused-variable] 50 | int aux = m; | ^~~