Compilare: main.cpp: In function 'int Dijk1::one_step()': main.cpp:153:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 153 | auto [d, nod] = V.top(); | ^ main.cpp:157:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 157 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int Dijk2::one_step()': main.cpp:194:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 194 | auto [d, nod] = V.top(); | ^ main.cpp:198:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 198 | for(auto [it, w] : L[nod]) | ^ main.cpp: In function 'int main()': main.cpp:252:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 252 | for(auto [it, w] : L[u]) { | ^