Problem	bananasmoothie
User	vinitara
Submission Time	2025-06-19 01:39:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

bananasmoothie.cpp: In function ‘int main()’:
bananasmoothie.cpp:14:20: error: ‘J’ was not declared in this scope
14 | sum += arr[J+i*k];
| ^