A.inta[2][]={{1},{4,5}}; B.inta[2][3]={1,2,3,4,5,6,7}; C.inta[][]={1,2,3,4,5,6}; D.inta[][3]={1,2,3,4,5};
A.a[4][1] B.a[2,1] C.a[4][5] D.a[4–1][5–5]
A.inta[][]; B.inta[][4]; C.inta[3][]; D.inta[3][4];