Problem	uniquenumbers
User	Minjia
Submission Time	2023-11-08 15:18:36
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

uniquenumbers.cpp: In function ‘int main()’:
uniquenumbers.cpp:9:3: error: ‘s’ was not declared in this scope
9 | s.insert(x);
| ^
uniquenumbers.cpp:11:10: error: ‘s’ was not declared in this scope
11 | cout << s.size;
| ^