View Compilation Error

0_0_23351526_21945.cpp: In function 'int bfs(int, int, int)':
0_0_23351526_21945.cpp:29:4: error: 'struct node' has no member named 'i'
  o.i=0;t
    ^
0_0_23351526_21945.cpp:30:2: error: expected ';' before 'h'
  h[x][y][z]=1;
  ^