Compilare: main.cpp: In member function 'long long int NetworkSimplex::Compute()': main.cpp:51:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it = 0; it < E.size() / B + 1; ++it) { ~~~^~~~~~~~~~~~~~~~~~ main.cpp:49:8: warning: unused variable 'flow' [-Wunused-variable] ll flow, cost; int ein, eout, ptr = 0; ^~~~