Compilare: main.cpp: In function 'int main()': main.cpp:64:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 64 | auto [x, y] = cd.back(); | ^ main.cpp:83:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 83 | for(auto [x, y]: sol){ | ^