Problem	leftout
User	afzal
Submission Time	2025-07-04 15:27:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

leftout.cpp: In function ‘int main()’:
leftout.cpp:17:11: error: ‘class std::set<long long int>’ has no member named ‘contains’
17 | if(!s.contains(i)) cout << i << ' ';
| ^~~~~~~~