Problem	lis_easy
User	xiachengruisg
Submission Time	2026-10-29 23:25:19
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lis_easy.cpp: In function ‘int main()’:
lis_easy.cpp:25:10: error: ‘y’ was not declared in this scope; did you mean ‘yn’?
25 | cout << y;
| ^
| yn