Compilare: main.cpp: In member function 'int Dinic::dfs(int, ll)': main.cpp:41:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int &id = last[u]; id < L[u].size(); ++id) { | ~~~^~~~~~~~~~~~~ main.cpp:42:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 42 | auto &[v, c, f] = E[L[u][id]]; | ^ main.cpp: In member function 'int Dinic::solve()': main.cpp:58:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 58 | while(v = dfs(s, INF)) re += v; | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int Dinic::pair(int)': main.cpp:64:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 64 | auto &[v, c, f] = E[it]; | ^