Problem	rotarylock
User	zhehanp
Submission Time	2024-12-04 15:22:36
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

rotarylock.cpp:8:1: error: ‘a’ does not name a type
8 | a
| ^
rotarylock.cpp: In function ‘int main()’:
rotarylock.cpp:35:13: error: ‘upd’ was not declared in this scope
35 | upd(b,c);
| ^~~