Compilare: user.cpp: In function ‘void SolveDp(int, int, std::vector<int>)’: user.cpp:15:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Val.size(); ++ i) ^ user.cpp:20:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int L = 2; L <= Val.size(); L ++) ^ user.cpp:21:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i + L - 1 < Val.size(); ++ i) ^