Compilare: user.cpp: In function ‘std::ifstream& operator>>(std::ifstream&, std::vector<unsigned int>&)’: user.cpp:10:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); i++) { ^ user.cpp:13:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘uint kth_smallest_sum(std::vector<unsigned int>&, uint, uint, uint)’: user.cpp:23:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:47:7: warning: unused variable ‘k_sum’ [-Wunused-variable] uint k_sum = 0; ^ user.cpp: In function ‘uint kth_smallest_sum(std::vector<unsigned int>&, uint, uint, uint)’: user.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type] } ^