Compilare: main.cpp: In member function 'int Flow::max_flow(int, int)': main.cpp:117:24: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 117 | while(flow = dfs(src, dst)) { | ~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void solve(int)': main.cpp:154:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for (int i = 0; i < edges.size(); i++) { | ~~^~~~~~~~~~~~~~