Compilare: main.cpp: In function 'int Flux::baga(int, int)': main.cpp:67:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int &i = ptr[node]; i < g[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int Flux::flux_tati()': main.cpp:87:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 87 | while(u = baga(S)) flux += u; | ~~^~~~~~~~~