Compilare: main.cpp: In function 'int Flux::baga(int, int)': main.cpp:63:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int &i = ptr[node]; i < g[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int Flux::flux_tati()': main.cpp:83:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 83 | while(u = baga(S)) flux += u; | ~~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:139:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 139 | for(auto [a, b] : oper) | ^