问在CPLEX中有没有在二维数组中迭代的方法

EN

range S=1..3;
range T=1..3;

int Cst[S][T] = [[0, 0 ,1],
         [1 ,0, 1],
         [0 ,1 ,0]];
         
dvar boolean x[S][T];

dvar int su; // sum all x such as Cst is 1

maximize su;
subject to
{
  su==sum(s in S,t in T:Cst[s][t]==1) x[s][t];
}