Compilare: main.cpp: In function 'int bfs()': main.cpp:34:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i = 0; i < graf[u].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int EdmondsKarp()': main.cpp:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int i = 0; i < graf[2 * n + 1].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~