Problem	prefixsums
User	yuxiangt
Submission Time	2026-02-09 22:08:26
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:20:31: error: expected primary-expression before ‘<’ token
20 | cout<<pre[R]-pre[L-1];<"\n";
| ^