View Compilation Error

0_0_38822850_14090.cpp: In function 'void Q(int, int, int)':
0_0_38822850_14090.cpp:56:9: error: expected primary-expression before 'if'
   56 |         if(tre[id].r+tre[id].l>=l*2)
      |         ^~
0_0_38822850_14090.cpp:55:15: error: expected ';' before 'if'
   55 |         return
      |               ^
      |               ;
   56 |         if(tre[id].r+tre[id].l>=l*2)
      |         ~~