제출 #286224

#제출 시각아이디문제언어결과실행 시간메모리
286224BeanZArranging Shoes (IOI19_shoes)C++14
45 / 100
35 ms3320 KiB
#include <bits/stdc++.h> #include "shoes.h" using namespace std; #define ll long long #define endl '\n' const int N = 2e5 + 5; ll a[200005]; ll count_swaps(vector<int> s){ ll now = 0, ans = 0; int n = s.size() / 2; for (int i = 0; i < (2 * n); i++){ if (s[i] < 0){ ans = ans + abs(i - now); now += 2; } } return ans; } /* int main(){ ios_base::sync_with_stdio(false); cin.tie(0); if (fopen("VietCT.INP", "r")){ freopen("VietCT.INP", "r", stdin); freopen("VietCT.OUT", "w", stdout); } ll n; cin >> n; for (int i = 1; i <= 2 * n; i++) cin >> a[i]; ll now = 1, ans = 0; for (int i = 1; i <= (2 * n); i++){ if (a[i] < 0){ ans = ans + abs(i - now); now += 2; } } cout << ans; } */ /* */
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