Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 18 | for(auto[y,c]:adj[x]){ | ^ main.cpp: In function 'int main()': main.cpp:49:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 49 | for(auto [y,c]:rev_adj[x]){ | ^