shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:9: error: 'll' was not declared in this scope
8 | ll n = s.size()/2;
| ^~
shoes.cpp:10:11: error: expected ';' before 'l'
10 | ll l = 0, p = 0;
| ^~
| ;
shoes.cpp:12:16: error: expected ';' before 'i'
12 | for (ll i = 0; i < 2 * n; i++)
| ^~
| ;
shoes.cpp:12:32: error: 'n' was not declared in this scope
12 | for (ll i = 0; i < 2 * n; i++)
| ^
shoes.cpp:12:24: error: 'i' was not declared in this scope
12 | for (ll i = 0; i < 2 * n; i++)
| ^
shoes.cpp:16:25: error: 'l' was not declared in this scope
16 | l += abs(i - p);
| ^
shoes.cpp:16:38: error: 'p' was not declared in this scope
16 | l += abs(i - p);
| ^
shoes.cpp:21:16: error: 'l' was not declared in this scope
21 | return l;
| ^