Compilare: user.cpp: In function ‘bool check(const int&, const std::vector<int>&, const std::vector<int>&)’: user.cpp:15:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (capacity[idx] > currentExcess + xQ) return false; ^ user.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^