Submission #301662

#	Time	Username	Problem	Language	Result	Execution time	Memory
301662		llaki	Carnival Tickets (IOI20_tickets)	Java	11 / 100	239 ms	16168 KiB

tickets

import java.util.Arrays;

public class tickets {
    long find_maximum(int k, int[][] x) {
        int n = x.length;
        int m = x[0].length;
        int[][] answer = new int[n][m];
        Arrays.sort(x, (i, j) -> i[0] + i[m - 1] - j[0] - j[m - 1]);
        long ans = 0;
        for (int i = 0; i < n; i++) Arrays.fill(answer[i], -1);
        for (int i = 0; i < n; i++) {
            if (i < n / 2) {
                answer[i][0] = 0;
                ans -= x[i][0];
            } else {
                answer[i][m - 1] = 0;
                ans += x[i][m - 1];
            }
        }
        grader.allocate_tickets(answer);
        return ans;
    }


}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10