Problem	sort
User	idontlikeboystrustme
Submission Time	2025-07-22 08:54:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

sort.cpp: In function ‘int main()’:
sort.cpp:23:19: error: ‘class std::set<int>’ has no member named ‘at’
23 | cout << a.at(i)
| ^~