View Compilation Error

0_0_39436429_6292.cpp: In function 'void split_fhqtreap(int, int, int&, int&)':
0_0_39436429_6292.cpp:51:9: error: 'pushdown_fhqtreap' was not declared in this scope; did you mean 'pushup_fhqtreap'?
   51 |         pushdown_fhqtreap(u);
      |         ^~~~~~~~~~~~~~~~~
      |         pushup_fhqtreap
0_0_39436429_6292.cpp: In function 'int merge_fhqtreap(int, int)':
0_0_39436429_6292.cpp:70:9: error: 'pushdown_fhqtreap' was not declared in this scope; did you mean 'pushup_fhqtreap'?
   70 |         pushdown_fhqtreap(u); pushdown_fhqtreap(v);
      |         ^~~~~~~~~~~~~~~~~
      |         pushup_fhqtreap
0_0_39436429_6292.cpp: In function 'void couttreap(int)':
0_0_39436429_6292.cpp:85:9: error: 'pushdown_fhqtreap' was not declared in this scope; did you mean 'pushup_fhqtreap'?
   85 |         pushdown_fhqtreap(u);
      |         ^~~~~~~~~~~~~~~~~
      |         pushup_fhqtreap