Submission #1124570

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124570		Sharky	Coin Collecting (JOI19_ho_t4)	C++20	0 / 100	1 ms	328 KiB

joi2019_ho_t4

#include "bits/stdc++.h"
using namespace std;

#define int long long

const int N = 1e5 + 10;
int x[2 * N], y[2 * N];
int f[3][N];
int ans = 0;

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int n;
    cin >> n;
    vector<pair<int, int>> v;
    int cnt = 0;
    for (int i = 1; i <= 2 * n; i++) {
        cin >> x[i] >> y[i];
        if (x[i] < 1) {
            ans += 1 - x[i];
            x[i] = 1;
        }
        if (x[i] > n) {
            ans += x[i] - n;
            x[i] = n;
        }
        if (y[i] < 1) {
            ans += 1 - y[i];
            y[i] = 1;
        }
        if (y[i] > 2) {
            ans += y[i] - 2;
            y[i] = 2;
        }
        f[x[i]][y[i]]++;
        if (y[i] == 1) cnt++;
    }
    ans += abs(n - cnt);
    vector<int> d, s;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= 2; j++) {
            if (!f[i][j]) d.push_back(i);
            else {
                int delta = f[i][j] - 1;
                while (delta--) s.push_back(i);
            }
        }
    }
    for (int i = 0; i < d.size(); i++) ans += abs(d[i] - s[i]);
    cout << ans << '\n';
}

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