0_0_39029434_13317.cpp: In function 'void init(int, int, int)':
0_0_39029434_13317.cpp:37:14: error: 'struct node' has no member named 'l'; did you mean 'ls'?
37 | tr[root].l = l, tr[root].r = r;
| ^
| ls
0_0_39029434_13317.cpp:37:30: error: 'struct node' has no member named 'r'; did you mean 'rs'?
37 | tr[root].l = l, tr[root].r = r;
| ^
| rs
|