Compilare: main.cpp: In function 'void firstcalc(int, int)': main.cpp:22:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 22 | for(auto [y, z] : v[x]) { | ^ main.cpp: In function 'void subtree(int, int)': main.cpp:56:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 56 | for(auto [y, z] : v[x]) { | ^ main.cpp: In function 'void supertree(int, int, relt)': main.cpp:69:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 69 | for(auto [y, z] : v[x]) { | ^ main.cpp: In member function 'void one_set_to_rule_them_all::insert(long long int, int)': main.cpp:92:16: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 92 | if(s2.size() > k) { | ~~~~~~~~~~^~~ main.cpp: In function 'void dfs(int, int)': main.cpp:142:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 142 | for(auto [y, z] : v[x]) { | ^ main.cpp: In function 'int main()': main.cpp:171:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 171 | for(auto [z, x] : u[1]) { | ^