Problem	card
User	BigBackAdrino
Submission Time	2026-07-02 17:21:13
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:20:12: error: ‘dq’ was not declared in this scope
20 | num.erase(dq.begin() + 1);
| ^~