Problem	prefixsums
User	Duk168
Submission Time	2025-02-07 15:42:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:15:16: error: ‘arr’ was not declared in this scope
15 | cin >> arr[i];
| ^~~