Compilare: main.cpp: In function 'int Dijk1::one_step()': main.cpp:29:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 29 | auto [d, nod] = V.top(); | ^ main.cpp:33:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 33 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int Dijk2::one_step()': main.cpp:70:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 70 | auto [d, nod] = V.top(); | ^ main.cpp:74:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 74 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int main()': main.cpp:128:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 128 | for(auto [it, w] : L[u]) { | ^