Compilare: user.cpp: In function ‘int main()’: user.cpp:29:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<V.size();++j) ^ user.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<V.size();++j) ^ user.cpp:46:27: warning: ‘z’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<dp[z][V.size()-1]; ^