This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "shoes.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>
#include <cmath>
#include<iterator>
#include <set>
#include <map>
#include <math.h>
#include <iomanip>
#include <unordered_set>
using namespace std;
using ll = long long;
// subtask 4
// ll count_swaps(vector<int> s) {
// ll n = s.size() / 2;
// return n * (n - 1) / 2;
// }
// subtask 3
ll count_swaps(vector<int> s) {
int closest = 0;
int ans = 0;
for (auto e : s){
if (e < 0){
ans += abs(e - closest);
closest += 2;
}
}
return ans;
}
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