Problem	uniquenumbers
User	l
Submission Time	2025-06-18 15:50:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

uniquenumbers.cpp: In function ‘int main()’:
uniquenumbers.cpp:18:9: error: ‘class std::set<int>’ has no member named ‘contains’
18 | if (c.contains(x) && !g.contains(x))
| ^~~~~~~~
uniquenumbers.cpp:18:27: error: ‘class std::set<int>’ has no member named ‘contains’
18 | if (c.contains(x) && !g.contains(x))
| ^~~~~~~~