RH9.0, include<list> using namespace std;, not size_t RH9.0 under the program, calling C + + Standard Library. #include<list>;; Using namespace std;, Programming suggested : size_t not been found. Not forget what the Secretary did not add, would not add any command line parameters. Xie. RH9.0, include<list> using namespace std;, not size_t I tried it, so that's ah, not iostream not include bars RH9.0, include<list> using namespace std;, not size_t Please check albcamus mail. RH9.0, include<list> using namespace std;, not size_t [ Closed window ]