Problem	fenwicktree
User	justin271828
Submission Time	2024-12-04 11:57:10
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:31:18: error: ISO C++ forbids using pointer to a function in subtraction [-fpermissive]
31 | cout << qry[y]-qry[x];
| ~~~~~~^~~~~~~