Problem	potatosalad
User	Rollsroyce26
Submission Time	2024-06-20 15:51:07
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

potatosalad.cpp: In function ‘int main()’:
potatosalad.cpp:20:31: error: ‘K’ was not declared in this scope
20 | y += arr[i] - arr[i - K];
| ^