Problem	uniquenumbers
User	hlawnphon
Submission Time	2026-08-13 12:45:14
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

uniquenumbers.cpp: In function ‘int main()’:
uniquenumbers.cpp:11:6: error: ‘class std::unordered_set<long long int>’ has no member named ‘push_back’
11 | ab.push_back(a);
| ^~~~~~~~~