Problem	lineup
User	CKCodeBreaker55
Submission Time	2026-01-05 14:53:59
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lineup.cpp: In function ‘int main()’:
lineup.cpp:18:18: error: ‘class std::vector<std::pair<long long int, long long int> >’ has no member named ‘unique’
18 | auto it = cows.unique();
| ^~~~~~