Problem	uniquenumbers
User	isaackhong
Submission Time	2023-01-07 18:18:08
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

uniquenumbers.cpp: In function ‘int main()’:
uniquenumbers.cpp:14:9: error: ‘s’ was not declared in this scope
14 | s.insert(x);
| ^