Compilare: main.cpp: In member function 'int Graph::sendFlow(int, int, int, int*)': main.cpp:87:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (; start[u] < adj[u].size(); start[u]++) | ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:132:15: warning: unused variable 'c' [-Wunused-variable] 132 | int x, y, c; | ^