小蓝的漆房

题目

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		sc.nextLine();
		
		int[] res = new int[t];
		
		for(int i=0;i<t;i++) {
			int ans = Integer.MAX_VALUE;
  		
      int n = sc.nextInt();
			int k = sc.nextInt();
			sc.nextLine();

			int[] colors = new int[n];
			for(int j=0;j<n;j++)
				colors[j] = sc.nextInt();
			
			for(int a=1;a<=60;a++) {
				int s = 0;
				for(int b=0;b<n;b++) {
					if(colors[b] == a) { 
						continue;
					}
					s++;
					b+=(k-1);
				}
				ans = Math.min(ans, s);
			}
      
			res[i] = ans;
		}
		
		for(int i=0;i<t;i++) {
			System.out.println(res[i]);
		}
		sc.close();
	}
}