Problem	card
User	Eagle
Submission Time	2025-02-14 14:14:53
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:28:4: error: ‘dp’ was not declared in this scope; did you mean ‘dq’?
28 | dp.pop_front();
| ^~
| dq