Problem	prefixsums
User	Rainny
Submission Time	2024-06-18 14:18:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:14:11: error: ‘psum’ was not declared in this scope
14 | cout << psum[r]-psum[l-1] << "/n";
| ^~~~