struct block
 {
  int x; int y;
 };

  
  block B[][4][4]=
 {
  {{0,0,1,0,2,0,3,0},{0,0,0,1,0,2,0,3},{0,0,1,0,2,0,3,0},{0,0,0,1,0,2,0,3}},
  {{0,0,1,0,0,1,1,1},{0,0,1,0,0,1,1,1},{0,0,1,0,0,1,1,1},{0,0,1,0,0,1,1,1}},
  {{0,0,1,0,0,1,-1,1},{0,0,0,1,-1,0,-1,-1},{0,0,1,0,0,1,-1,1},{0,0,0,1,-1,0,-1,-1}},
  {{-1,0,0,0,0,1,1,1},{0,0,0,-1,-1,0,-1,1},{-1,0,0,0,0,1,1,1},{0,0,0,-1,-1,0,-1,1}},
  {{0,0,0,1,1,1,2,1},{0,0,-1,0,-1,1,-1,2},{0,0,0,-1,-1,-1,-2,-1},{0,0,1,0,1,-1,1,-2}},
  {{0,0,0,1,-1,1,-2,1},{0,0,-1,0,-1,-1,-1,-2},{0,0,0,-1,1,-1,2,-1},{0,0,1,0,1,1,1,2}},
  {{0,0,0,1,1,1,-1,1},{0,0,-1,0,-1,-1,1},{0,0,0,-1,-1,-1,1,-1},{0,0,1,0,1,-1,1,1}}
 };

이거 컴파일하려고하면 struct어쩌고 B어쩌고 오류나는데 왜그런지 아는사람?