Problem	fenwicktree
User	R9q5P8
Submission Time	2026-04-16 16:37:36
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:29:8: error: invalid types ‘int[int]’ for array subscript
29 | a[i]+=c;
| ^