Problem	card
User	Pout
Submission Time	2026-07-25 13:24:20
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:18:13: error: ‘class std::deque<long int, std::allocator<long int> >’ has no member named ‘pushback’; did you mean ‘push_back’?
18 | sequence.pushback(sequence.at(1));
| ^~~~~~~~
| push_back