View Compilation Error

0_0_39462264_29916.cpp: In member function 'int Segment_Tree::query(int, int, int, int)':
0_0_39462264_29916.cpp:53:30: error: 'cnt' was not declared in this scope; did you mean 'int'?
   53 |         if(Sum[x]<=v) return cnt[x];
      |                              ^~~
      |                              int