View Compilation Error

0_0_39701978_24020.cpp:37:24: error: stray '\243' in program
   37 |         int d=o->cmp(x)<a3><bb>
      |                        ^~~~
0_0_39701978_24020.cpp:37:25: error: stray '\273' in program
   37 |         int d=o->cmp(x)<a3><bb>
      |                            ^~~~
0_0_39701978_24020.cpp: In function 'void insert(Node*&, int)':
0_0_39701978_24020.cpp:29:8: error: 'o' was not declared in this scope
   29 |     if(o==NULL){
      |        ^
0_0_39701978_24020.cpp: In function 'int find(Node*, int)':
0_0_39701978_24020.cpp:57:37: error: 'struct Node' has no member named 'soon'; did you mean 'son'?
   57 |         return o->son[1]==NULL?1:o->soon[1]->size+1;
      |                                     ^~~~
      |                                     son
0_0_39701978_24020.cpp:62:22: error: base operand of '->' is not a pointer
   62 |         else return 0->son[1]==NULL?tmp+1:tmp+1+o->son[1]->size+1;
      |                      ^~