%call: nug5

n= 5

A=[
  0  1  1  2  3
  1  0  2  1  2
  1  2  0  1  2
  2  1  1  0  1
  3  2  2  1  0];

B=[
  0  5  2  4  1
  5  0  3  0  2
  2  3  0  0  0
  4  0  0  0  5
  1  2  0  5  0 ];

C=zeros(5,5);
