Problem	fenwicktree
User	Pan
Submission Time	2023-11-04 16:07:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp:51:2: error: invalid preprocessing directive #sample
51 | #sample
| ^~~~~~
fenwicktree.cpp: In member function ‘void FenwickTree::slowrange_update(int, int, int)’:
fenwicktree.cpp:46:5: error: ‘t’ was not declared in this scope; did you mean ‘tm’?
46 | t.update(i, delta);
| ^
| tm