Eroare de compilare: user.cpp: In function ‘bool bellman(int, int)’: user.cpp:29:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<graf[crt].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:82:11: error: expected primary-expression before ‘<’ token cout<<<cost_maxim; ^ user.cpp:48:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y, z, w; ^