Compilare: user.cpp: In function ‘void rezolva(int)’: user.cpp:27:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < graf[i].varf.size(); j++) ^ user.cpp:21:6: warning: unused variable ‘local’ [-Wunused-variable] int local = contor; ^ user.cpp: In function ‘int main()’: user.cpp:77:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < solutii.size(); i++) ^ user.cpp:79:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < solutii[i].size(); j++) ^