Problem	lookback
User	Randomguy
Submission Time	2025-12-24 14:57:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lookback.cpp: In function ‘int main()’:
lookback.cpp:25:21: error: expected primary-expression before ‘,’ token
25 | cout << el.back() <, "\n";
| ^