Problem	prefixsums
User	Roucy
Submission Time	2025-06-17 16:49:28
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:23:4: error: ‘ans’ was not declared in this scope; did you mean ‘abs’?
23 | ans = pre[r - 1];
| ^~~
| abs
prefixsums.cpp:27:4: error: ‘ans’ was not declared in this scope; did you mean ‘abs’?
27 | ans = pre[r - 1] - pre[l - 2];
| ^~~
| abs
prefixsums.cpp:30:11: error: ‘ans’ was not declared in this scope; did you mean ‘abs’?
30 | cout << ans << '\n';
| ^~~
| abs