Problem	prefixsums
User	ToiletBrIcker
Submission Time	2024-06-19 09:07:17
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:17:16: error: ‘psum’ was not declared in this scope
17 | std::cout << psum[R] - psum[L];
| ^~~~