#include "shoes.h" #include <bits/stdc++.h> using namespace std; long long count_swaps(std::vector<int> s) { //same size; int n2 = s.size(); n = n2 / 2; vector<int> left,right; for (int i = 0; i < n;i++) { if (s[i] < 0) left.push_back(i); else right.push_back(i); } int count = 0; for (int i = 0; i < n;i++) { count += abs((2*i) - left[i]); } return count; }

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:9: error: 'n' was not declared in this scope; did you mean 'n2'?
    7 |         n = n2 / 2;
      |         ^
      |         n2