题解 | 【模板】滑动窗口

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int k = in.nextInt();
        int[] ints = new int[n];
        for (int i = 0; i < n; i++) {
            ints[i] = in.nextInt();
        }
        int max = 0;
        for (int i = 0; i <= n - k; i++) {

            if (i == 0) {
                for (int j = 0; j <= k - 1; j++) {
                    max = Math.max(max, ints[j]);
                }
            } else {
                if (ints[i + k - 1] >= max) {
                    max = ints[i + k - 1];
                } else if (ints[i - 1] < max) {

                } else {
                    max = 0;
                    for (int j = i; j <= i + k - 1; j++) {
                        max = Math.max(max, ints[j]);
                    }
                }
            }
            System.out.print(max + " ");
        }
    }
}