在LaTeX中显示半伪代码

Question

如何使用lstlisting或者其他一些格式化包在LaTeX中输入？

E_{T}= \phi ;
sort the edges by their weight, $w(e_1) \le w(e_2) \le \dots \le w(e_m))$;
for (i = 1; i \le m; i = i＋1) {
  if ($T+e_i$ contains no cycles) {
    E_T =E_T+ e_i;
  }
}

Answer 1

由于它看起来像伪代码，我推荐algorithmicx包。