Problem	swapsort
User	thermodynamix7
Submission Time	2025-07-01 20:58:17
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

swapsort.cpp: In function ‘int main()’:
swapsort.cpp:16:13: error: ‘unhappy’ was not declared in this scope
16 | unhappy.insert(i);
| ^~~~~~~