Compilare: main.cpp: In member function 'int FLOW::sendflow(int, int, int)': main.cpp:60:29: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(; start[nod]<g[nod].size(); start[nod]++) { main.cpp: In member function 'int FLOW::dinic(int, int)': main.cpp:83:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 83 | while(res = sendflow(t, s, inf)) | ~~~~^~~~~~~~~~~~~~~~~~~~~