Compilare: main.cpp: In function 'int main()': main.cpp:17:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 17 | auto &[u, v] = V[i]; | ^ main.cpp:27:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 27 | auto &[u, v] = V[i]; | ^ main.cpp:36:17: warning: unused variable 'v' [-Wunused-variable] 36 | for(int i = 0, v; i < (1 << m); ++i) { | ^