Submission #133304

#	Time	Username	Problem	Language	Result	Execution time	Memory
133304		osaaateiasavtnl	Coin Collecting (JOI19_ho_t4)	C++14	0 / 100	1080 ms	376 KiB

joi2019_ho_t4

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e18 + 7;
signed main() {
    int n;
    cin >> n;
    vector <pair <int, int> > a, b;
    for (int i = 0; i < 2 * n; ++i) {
        int x, y;
        cin >> x >> y;
        a.push_back({x, y});
    }   
    for (int i = 1; i <= n; ++i) {
        b.push_back({i, 1});
        b.push_back({i, 2});
    }   
    int ans = INF;
    sort(a.begin(), a.end());
    do {
        int nn = 0;
        for (int i = 0; i < 2 * n; ++i) {
            nn += abs(a[i].first - b[i].first) + abs(a[i].second - b[i].second);
        }   
        ans = min(ans, nn);
    } while (next_permutation(a.begin(), a.end()));
    cout << ans << '\n';
}   

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 63