Problem	prefixsums
User	asbx
Submission Time	2023-12-11 09:06:50
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:16:13: error: ‘r’ was not declared in this scope
16 | cout<<arr[r-1]-arr[l-2];
| ^
prefixsums.cpp:16:22: error: ‘l’ was not declared in this scope
16 | cout<<arr[r-1]-arr[l-2];
| ^