Сума од апсолутни разлики

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class SumOfAbsoluteDifferences {

    static int solve(int numbers[], int N, int K) {

        int[][] mat = new int[numbers.length][K];
        int rez = 0;

        for (int i = 1; i < N; i++) {
            for (int j = 1; j < K; j++) {
                for (int p = 0; p < i; p++) {
                    int raz = Math.abs(numbers[i] - numbers[p]);
                    if (mat[i][j] < mat[p][j-1] + raz)
                        mat[i][j] = mat[p][j-1] + raz;
                }
                if (mat[i][j] > rez) rez = mat[i][j];
            }
        }
        return rez;
    }

    public static void main(String[] args) throws Exception {
        int i,j,k;

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        int N = Integer.parseInt(st.nextToken());
        int K = Integer.parseInt(st.nextToken());

        int numbers[] = new int[N];

        st = new StringTokenizer(br.readLine());
        for (i=0; i<N; i++) {
            numbers[i] = Integer.parseInt(st.nextToken());
        }

        int res = solve(numbers, N, K);
        System.out.println(res);

        br.close();

    }
}