#include<iostream>
#include </home/nilay/mymlpack/mlpack/src/mlpack/core.hpp>
using namespace std;
using namespace mlpack;
int main()
{

  arma::mat A = arma::randu(5,5);
  arma::uvec u = mlpack::ind_sub::ind2sub(arma::size(A), 3);
  u.print();
  return 0;
}