Problem	potatoqueue
User	yc
Submission Time	2025-05-29 18:25:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

potatoqueue.cpp: In function ‘void serve()’:
potatoqueue.cpp:22:10: error: ‘n’ was not declared in this scope
22 | int a = n.back();
| ^
potatoqueue.cpp: In function ‘int query(int)’:
potatoqueue.cpp:35:14: error: request for member ‘end’ in ‘N’, which is of non-class type ‘int’
35 | auto it = N.end()-N;
| ^~~