import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int k = sc.nextInt(); String str = sc.next(); int lenMax = 0; int[] count = new int[26]; // 统计不同的单词 int left = 0, mount = 0; for (int right = 0; right <...