Problem	binarysearch
User	notachicken
Submission Time	2026-11-04 14:29:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

binarysearch.cpp: In function ‘int main()’:
binarysearch.cpp:14:40: error: ‘n’ was not declared in this scope
14 | auto it = lower_bound(arr, arr+n, x);
| ^