Problem	fenwicktree
User	cobnet
Submission Time	2024-02-27 21:46:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:48:12: error: ‘j’ was not declared in this scope
48 | update(j, c);
| ^