Problem	fenwicktree
User	wrizz69
Submission Time	2023-11-10 10:57:43
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:21:10: error: ‘sum’ was not declared in this scope
21 | return sum;
| ^~~
fenwicktree.cpp:31:25: error: a function-definition is not allowed here before ‘{’ token
31 | int query(int x, int y) {
| ^
fenwicktree.cpp:37:27: error: a function-definition is not allowed here before ‘{’ token
37 | void update(int p, int v) {
| ^