View Compilation Error

0_0_37487501_27347.cpp: In function 'void build(int, int, int)':
0_0_37487501_27347.cpp:64:10: error: 'struct Tree' has no member named 'll'
  Tree[t].ll=l;
          ^
0_0_37487501_27347.cpp:65:10: error: 'struct Tree' has no member named 'rr'
  Tree[t].rr=r;
          ^