Problem	fenwicktree
User	RandomPerson
Submission Time	2023-11-10 10:39:42
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:67:2: error: ‘st’ was not declared in this scope; did you mean ‘std’?
67 | st->update(i, i, a);
| ^~
| std