java灰度直方图

import java.util.Scanner;
public class day08 {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		int m = scan.nextInt();
		int L = scan.nextInt();
		int [][]a =new int[n][m];
		int []h = new int[L];
		for(int i = 0;i