Problem	leftright
User	yc
Submission Time	2025-05-28 08:44:55
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

leftright.cpp: In function ‘int main()’:
leftright.cpp:21:27: error: ‘std::deque<int>::iterator’ {aka ‘struct std::_Deque_iterator<int, int&, int*>’} has no member named ‘begin’
21 | if (c!=N.end()) c = c.begin();
| ^~~~~