A.int a[2][3]={0}; B.int a[][3]={{1,2},{0}}; C.int a[2][3]={{1,2},{3,4},{5,6}}; D.int a[][3]={1,2,3,4,5,6};
A.inta[2][]={{1,0,1},{5,2,3}}; B.inta[][3]={{1,2,3},{4,5,6}}; C.inta[2][4]={{1,2,3},{4,5},{6}}; D.inta[][3]={{1,0,1},{},{1,1}};
A.inta[10]={0,0,0,0,0};B.inta[10]={};C.inta[]={0};D.inta[10]={10*1};