Problem	shoes
User	Xiaoyang
Submission Time	2023-11-22 09:31:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

shoes.cpp: In function ‘long long int count_swaps(std::vector<int>)’:
shoes.cpp:41:10: error: ‘n’ was not declared in this scope
41 | return n*n;
| ^