Compilare: main.cpp: In function 'bool 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:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int i = 0; i < graf[2*n+1].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~