Problem	lis_easy
User	Shuhxin
Submission Time	2024-06-29 11:10:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lis_easy.cpp: In function ‘int main()’:
lis_easy.cpp:15:12: error: ‘a’ was not declared in this scope
15 | ll n = a.size();
| ^