Compilare: main.cpp: In function 'int edmonds_karp()': main.cpp:44:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < listaArce[u].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:90:14: warning: unused variable 'r' [-Wunused-variable] edge r; ^ main.cpp:92:72: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized] e.capacity = c; e.flow = 0; e.sink = y; e.source = x; e.flow_r = s; ~~~~~~~~~^~~