View Compilation Error

0_0_29723190_700.cpp: In function 'void update(int, int, int, int, int, int)':
0_0_29723190_700.cpp:80:15: error: 'pushDown' was not declared in this scope
     pushDown(i);
               ^
0_0_29723190_700.cpp: In function 'long long int query(int, int, int, int, int)':
0_0_29723190_700.cpp:94:15: error: 'pushDown' was not declared in this scope
     pushDown(i);
               ^