Compilare: user.cpp: In function ‘std::vector<int> Go(int, int, int, std::vector<int>)’: user.cpp:122:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 2; i < ret.size(); ++i ){ ^ user.cpp: In function ‘void Solve()’: user.cpp:161:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( Comp[i].size() > MaxNodes ){ ^ user.cpp:167:9: warning: ‘ord’ may be used uninitialized in this function [-Wmaybe-uninitialized] Sol = Solve( Comp[ord] ); ^