Compilare: user.cpp: In function ‘int Construct(int)’: user.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < arb[x].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:86:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < arb[i].size() && aux; ++j) ^ user.cpp: In function ‘int StatOrdine(std::vector<int>&, int, int, int)’: user.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^