Compilare: user.cpp: In function ‘void getDynProg(std::vector<std::vector<std::vector<int> > >&, const std::vector<int>&, const std::vector<int>&, const std::vector<int>&, const int&, int, const int&)’: user.cpp:46:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Sons.size(); i++) { ^ user.cpp:50:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < mergeDp[0].size(); i++) { ^ user.cpp:53:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < Sons.size(); i++) { ^ user.cpp:54:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < mergeDp[i].size(); j++) { ^ user.cpp: In function ‘int main()’: user.cpp:103:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dynProg[0].size() < K) { ^