Submission #1148122

#	Time	Username	Problem	Language	Result	Execution time	Memory
1148122		ruben_ipenza	Coin Collecting (JOI19_ho_t4)	Java	0 / 100	79 ms	13072 KiB

joi2019_ho_t4

import java.util.*;

public class joi2019_ho_t4 {

    static class Point {
        long x, y;
        Point(long x, long y) {
            this.x = x;
            this.y = y;
        }
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        Point[] coins = new Point[2 * N];
        Point[] targets = new Point[2 * N];

        for (int i = 0; i < 2 * N; i++) {
            long x = scanner.nextLong();
            long y = scanner.nextLong();
            coins[i] = new Point(x, y);
        }

        for (int i = 0; i < N; i++) {
            targets[2 * i] = new Point(i + 1, 1);
            targets[2 * i + 1] = new Point(i + 1, 2);
        }

        Arrays.sort(coins, Comparator.comparingLong(p -> p.x));
        Arrays.sort(targets, Comparator.comparingLong(p -> p.x));

        long totalDistance = 0;
        for (int i = 0; i < 2 * N; i++) {
            totalDistance += Math.abs(coins[i].x - targets[i].x) + Math.abs(coins[i].y - targets[i].y);
        }

        System.out.println(totalDistance);
        scanner.close();
    }
}

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