Compilare: main.cpp: In member function 'int graph::dfs(int, int, int)': main.cpp:51:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for ( int &ind = rem[node]; ind < g[node].size (); ind++ ) { | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'int graph::max_flow(int, int)': main.cpp:73:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 73 | while ( f = dfs ( source, sink, 1e9 ) ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~